domyn/FINCH · Datasets at Hugging Face

question_id int64 1 75.7k	db_id stringclasses 33 values	db_name stringclasses 4 values	question stringlengths 19 259	partition stringclasses 4 values	difficulty stringclasses 3 values	SQL stringlengths 25 862
301	regional_sales	bird	Which Apollo Ltd customer's order number has the most expensive unit price, indicating the order date?	train	hard	select t1.ordernumber, t1.orderdate from `sales orders` as t1 inner join customers as t2 on t2.customerid = t1._customerid where t2.`customer names` = 'apollo ltd' order by t1.`unit price` desc limit 1
302	regional_sales	bird	Provide order number, warehouse code of customers Elorac, Corp.	train	hard	select distinct t1.ordernumber, t1.warehousecode from `sales orders` as t1 inner join customers as t2 on t2.customerid = t1._customerid where t2.`customer names` = 'elorac, corp'
303	regional_sales	bird	Name of customers who have ordered Cocktail Glasses by online sales channel.	train	hard	select t from ( select distinct case when t3.`product name` = 'cocktail glasses' and t2.`sales channel` = 'online' then t1.`customer names` end as t from customers t1 inner join `sales orders` t2 on t2._customerid = t1.customerid inner join products t3 on t3.productid = t2._productid ) where t is not null
304	regional_sales	bird	Which store in Arizona has the most net profit?	train	hard	select t2.storeid from `sales orders` as t1 inner join `store locations` as t2 on t2.storeid = t1._storeid where t2.state = 'arizona' order by t1.`unit price` - t1.`unit cost` desc limit 1
305	regional_sales	bird	How much more is the Florida store's computer product unit price than the Texas store?	train	hard	select sum(case when t3.state = 'florida' then t2.`unit price` else 0 end) - sum(case when t3.state = 'texas' then t2.`unit price` else 0 end) from products as t1 inner join `sales orders` as t2 on t2._productid = t1.productid inner join `store locations` as t3 on t3.storeid = t2._storeid where t1.`product name` = 'computers'
306	regional_sales	bird	Among sales teams in Midwest region, which sales team has an order quantity greater than 5?	train	hard	select distinct t2.`sales team` from `sales orders` as t1 inner join `sales team` as t2 on t2.salesteamid = t1._salesteamid where t2.region = 'midwest' and t1.`order quantity` > 5
307	regional_sales	bird	Please indicate store id in the state of California that have been applied 20% discount in store.	train	hard	select t from ( select distinct case when t2.state = 'california' and t1.`sales channel` = 'in-store' and t1.`discount applied` = 0.2 then t2.storeid end as t from `sales orders` t1 inner join `store locations` t2 on t2.storeid = t1._storeid ) where t is not null
308	regional_sales	bird	List the name of the customer with the most number of order quantity from 2018 to 2020.	train	hard	select t1.`customer names` from customers as t1 inner join `sales orders` as t2 on t2._customerid = t1.customerid where t2.orderdate like '%/%/18' or t2.orderdate like '%/%/19' or t2.orderdate like '%/%/20' order by t2.`order quantity` desc limit 1
309	regional_sales	bird	Please indicate total order quantity of product Candles and calculate the percentage of such product among all the orders.	train	hard	select sum(case when t1.`product name` = 'candles' then t2.`order quantity` else 0 end), cast(sum(case when t1.`product name` = 'candles' then t2.`order quantity` else 0 end) as real) * 100 / sum(t2.`order quantity`) from products as t1 inner join `sales orders` as t2 on t2._productid = t1.productid inner join `store locations` as t3 on t3.storeid = t2._storeid
310	regional_sales	bird	Which region is Joshua Bennet located in?	train	easy	select t from ( select distinct case when `sales team` = 'joshua bennett' then region else null end as t from `sales team` ) where t is not null
311	regional_sales	bird	What is the store id of the store located in the most populous county?	train	easy	select case when max(population) then storeid end from `store locations`
312	regional_sales	bird	How many sales teams are there in the Midwest?	train	easy	select sum(case when region = 'midwest' then 1 else 0 end) from `sales team`
313	regional_sales	bird	What is the type of store located in the city with the highest amount of water area?	train	easy	select case when max(`water area`) then type end from `store locations`
314	regional_sales	bird	How many online orders were shipped during the month of June 2018?	train	easy	select sum(iif(shipdate like '6/%/18' and `sales channel` = 'online', 1, 0)) from `sales orders`
315	regional_sales	bird	How much is the discount applied to the order with the highest unit price?	train	medium	select `discount applied` from `sales orders` where replace(`unit price`, ',', '') = ( select replace(`unit price`, ',', '') from `sales orders` order by replace(`unit price`, ',', '') desc limit 1 ) order by replace(`unit price`, ',', '') desc limit 1
316	regional_sales	bird	What is the name of the product with the highest net profit?	train	hard	select t2.`product name` from `sales orders` as t1 inner join products as t2 on t2.productid = t1._productid order by replace(t1.`unit price`, ',', '') - replace(t1.`unit cost`, ',', '') desc limit 1
317	regional_sales	bird	In the Northeast region, what is the average household income for each city located in the state with the highest number of stores?	train	hard	select avg(t2.`household income`) from regions as t1 inner join `store locations` as t2 on t2.statecode = t1.statecode where t1.region = 'northeast' group by t2.state order by count(t2.storeid) desc limit 1
318	regional_sales	bird	In which region can you find the stores located in the state whose median income is no more than 30,000?	train	hard	select t from ( select distinct case when t2.`median income` < 30000 then t1.region end as t from regions t1 inner join `store locations` t2 on t2.statecode = t1.statecode ) where t is not null
319	regional_sales	bird	In the West, how many stores are there in the city whose land area is below 20,000,000?	train	hard	select sum(case when t1.region = 'west' and t2.`land area` < 20000000 then 1 else 0 end) from regions as t1 inner join `store locations` as t2 on t2.statecode = t1.statecode
320	regional_sales	bird	What is the name of the customer who purchased the product with the highest net profiit?	train	hard	select `customer names` from ( select t1.`customer names`, t2.`unit price` - t2.`unit cost` as 'net profit' from customers t1 inner join `sales orders` t2 on t2._customerid = t1.customerid ) order by `net profit` desc limit 1
321	regional_sales	bird	In 2019, how many orders were shipped by the sales team with the highest number of orders in the said year? Provide the name of the sales team.	train	hard	select count(t1.ordernumber), t2.`sales team` from `sales orders` as t1 inner join `sales team` as t2 on t2.salesteamid = t1._salesteamid where t1.orderdate like '%/%/19' and t1.shipdate like '%/%/19' group by t2.`sales team` order by count(t1.ordernumber) desc limit 1
322	regional_sales	bird	Among the products with an order quantity of no less than 5 that was shipped in the month of May 2019, what is the name of the product with the lowest net profit?	train	hard	select t2.`product name` from `sales orders` as t1 inner join products as t2 on t2.productid = t1._productid where t1.`order quantity` > 5 and shipdate like '5/%/19' order by replace(t1.`unit price`, ',', '') - replace(t1.`unit cost`, ',', '') asc limit 1
323	regional_sales	bird	What is the detailed coordinates of the store where the product with the 4th highest profit were purchased from?	train	hard	select t2.latitude, t2.longitude from `sales orders` as t1 inner join `store locations` as t2 on t2.storeid = t1._storeid order by replace(t1.`unit price`, ',', '') - replace(t1.`unit cost`, ',', '') desc limit 3, 1
324	regional_sales	bird	How many orders were shipped by the sales team with the highest amount of shipped orders in 2020? Give the name of the said sales team.	train	hard	select count(t1.ordernumber), t2.`sales team` from `sales orders` as t1 inner join `sales team` as t2 on t2.salesteamid = t1._salesteamid where t1.shipdate like '%/%/20' group by t2.`sales team` order by count(t1.ordernumber) desc limit 1
325	regional_sales	bird	Between 2018 to 2020, what is the average amount of shipped orders per year under Carl Nguyen?	train	hard	select cast(count(t1.ordernumber) as real) / 3 from `sales orders` as t1 inner join `sales team` as t2 on t2.salesteamid = t1._salesteamid where (t2.`sales team` = 'carl nguyen' and shipdate like '%/%/18') or (t2.`sales team` = 'carl nguyen' and shipdate like '%/%/19') or (t2.`sales team` = 'carl nguyen' and shipdate like '%/%/20')
326	regional_sales	bird	What is the amount of discount applied to the product with the highest net profit and what is the name of the said product?	train	hard	select t1.`unit price` * t1.`discount applied`, t2.`product name` from `sales orders` as t1 inner join products as t2 on t2.productid = t1._productid order by replace(t1.`unit price`, ',', '') - replace(t1.`unit cost`, ',', '') desc limit 1
327	regional_sales	bird	What are the names of the top 3 customers who paid the highest amount of price per order after discount?	train	hard	select `customer names` from ( select t1.`customer names` , replace(t2.`unit price`, ',', '') * t2.`order quantity` - replace(t2.`unit price`, ',', '') * t2.`discount applied` as t from customers t1 inner join `sales orders` t2 on t2._customerid = t1.customerid ) order by t desc limit 3
328	regional_sales	bird	Which sales channel was most preferred in commercializing products in January 2020 based on the number of orders placed?	train	medium	select `sales channel` from `sales orders` where orderdate like '1/%/20' group by `sales channel` order by count(`sales channel`) desc limit 1
329	regional_sales	bird	Name the product that was registered in the sales order 'SO - 0005951'.	train	hard	select t from ( select distinct case when t2.ordernumber = 'so - 0005951' then t1.`product name` else null end as t from products t1 inner join `sales orders` t2 on t2._productid = t1.productid ) where t is not null
330	regional_sales	bird	Identify the store location and sales team who processed the sales order 'SO - 0001004'.	train	hard	select t3.`sales team`, t1.`city name` from `store locations` as t1 inner join `sales orders` as t2 on t2._storeid = t1.storeid inner join `sales team` as t3 on t3.salesteamid = t2._salesteamid where t2.ordernumber = 'so - 0001004'
331	regional_sales	bird	Identify the top customer of the store located in Gilbert, Arizona based on net profit associated with the customer relationship in 2019.	train	hard	select t1.`customer names` from customers as t1 inner join `sales orders` as t2 on t2._customerid = t1.customerid inner join `store locations` as t3 on t3.storeid = t2._storeid where t3.`city name` = 'gilbert' and t2.procureddate like '%/%/19' order by replace(t2.`unit price`, ',', '') - replace(t2.`unit cost`, ',', '') desc limit 1
332	regional_sales	bird	How many sales orders were processed by the store located in Chandler in 2020?	train	hard	select sum(case when t2.`city name` = 'chandler' and t1.orderdate like '%/%/20' then 1 else 0 end) from `sales orders` as t1 inner join `store locations` as t2 on t2.storeid = t1._storeid
333	regional_sales	bird	What is the average household income of Glendale?	train	easy	select avg(`household income`) from `store locations` where `city name` = 'glendale'
334	regional_sales	bird	What was the best discount applied to sales orders in 2020?	train	medium	select max(`discount applied`) from `sales orders` where orderdate like '%/%/20'
335	sales	bird	How many sales ids are there for customer id 80?	train	easy	SELECT COUNT(salesid) FROM sales WHERE customerid = 80
336	sales	bird	Count the total quantity for sales from id 1 to 10.	train	medium	SELECT SUM(quantity) FROM sales WHERE salesid BETWEEN 1 AND 10
337	sales	bird	Calculate the average quantity per sales from sales id 20 to 30.	train	medium	SELECT AVG(quantity) FROM sales WHERE salesid BETWEEN 20 AND 30
338	sales	bird	List down the product id for products with the highest quantity.	train	easy	SELECT DISTINCT productid FROM sales WHERE quantity = (SELECT MAX(quantity) FROM sales)
339	sales	bird	How many product ids have the lowest price?	train	easy	SELECT COUNT(DISTINCT productid) FROM products WHERE price = (SELECT MAX(price) FROM products)
340	sales	bird	List down product names of free gifts.	train	easy	SELECT name FROM products WHERE price = 0
341	sales	bird	List down the product name for products from id 1 to 10.	train	medium	SELECT name FROM products WHERE productid BETWEEN 1 AND 10
342	sales	bird	What is the name of the product with the lowest quantity?	train	hard	SELECT t2.name FROM sales AS t1 INNER JOIN products AS t2 ON t1.productid = t2.productid ORDER BY t1.quantity LIMIT 1
343	sales	bird	How many customer ids have purchased Hex Nut 9?	train	hard	SELECT COUNT(t1.customerid) FROM sales AS t1 INNER JOIN products AS t2 ON t1.productid = t2.productid WHERE t2.name = 'hex nut 9'
344	sales	bird	Calculate the total sales ids that were sales of Flat Washer 8.	train	hard	SELECT COUNT(t1.salesid) FROM sales AS t1 INNER JOIN products AS t2 ON t1.productid = t2.productid WHERE t2.name = 'flat washer 8'
345	sales	bird	List down all of the product names that were placed by sales person with id 10.	train	hard	SELECT DISTINCT t1.name FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t2.salespersonid = 10
346	sales	bird	List down the first name of customers who placed order for product id 1.	train	hard	SELECT t1.firstname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid INNER JOIN products AS t3 ON t2.productid = t3.productid WHERE t2.productid = 1
347	sales	bird	What is the last name of the customer who placed an order for sales id 178?	train	hard	SELECT t1.lastname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid WHERE t2.salesid = 178
348	sales	bird	List down product ids that were purchased by customers called Abby.	train	hard	SELECT DISTINCT t1.productid FROM sales AS t1 INNER JOIN customers AS t2 ON t1.customerid = t2.customerid WHERE t2.firstname = 'abby'
349	sales	bird	Write down all of the product ids that were placed by Meander.	train	hard	SELECT DISTINCT t2.productid FROM employees AS t1 INNER JOIN sales AS t2 ON t1.employeeid = t2.salespersonid WHERE t1.firstname = 'meander'
350	sales	bird	What is the last name of sales person for sales id 100?	train	hard	SELECT t1.lastname FROM employees AS t1 INNER JOIN sales AS t2 ON t1.employeeid = t2.salespersonid WHERE t2.salesid = 100
351	sales	bird	What is the first name of employee who handled sales for customer called Abigail?	train	hard	SELECT DISTINCT t3.firstname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid INNER JOIN employees AS t3 ON t2.salespersonid = t3.employeeid WHERE t1.firstname = 'abigail'
352	sales	bird	How many free gifts have customer with id 11782 received?	train	hard	SELECT COUNT(t1.productid) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t2.customerid = 11782 AND t1.price = 0
353	sales	bird	What is the full name of customers who dealt with sales person with id 5?	train	hard	SELECT t1.firstname, t1.middleinitial, t1.lastname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid WHERE t2.salespersonid = 5
354	sales	bird	List down all of the sales IDs for sales handled by sales people with first name starting with alphabet "s".	train	hard	SELECT t1.salesid FROM sales AS t1 INNER JOIN employees AS t2 ON t1.salespersonid = t2.employeeid WHERE SUBSTRING(t2.firstname, 1, 1) = 's'
355	sales	bird	Among customers with IDs from 1 to 100, what is the highest price of products they purchased?	train	hard	SELECT t1.price FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t2.customerid BETWEEN 1 AND 100 ORDER BY t1.price DESC LIMIT 1
356	sales	bird	Among customers with the last name of Valdez, who purchased the highest quantity?	train	hard	SELECT t1.firstname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid WHERE t1.lastname = 'valdez' ORDER BY t2.quantity DESC LIMIT 1
357	sales	bird	Sum up the number sales ids handled by employees called Morningstar, Heather and Dean.	train	hard	SELECT SUM(IIF(t2.firstname = 'morningstar', 1, 0)) + SUM(IIF(t2.firstname = 'heather', 1, 0)) + SUM(IIF(t2.firstname = 'dean', 1, 0)) AS num FROM sales AS t1 INNER JOIN employees AS t2 ON t1.salespersonid = t2.employeeid
358	sales	bird	Has Alex purchased product with id 498?	train	hard	SELECT IIF(t1.productid = 498, 'yes', 'no') FROM sales AS t1 INNER JOIN customers AS t2 ON t1.customerid = t2.customerid WHERE t2.firstname = 'alex'
359	sales	bird	Calculate the total price of products purchased by Adam.	train	hard	SELECT SUM(t3.price * t2.quantity) FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid INNER JOIN products AS t3 ON t2.productid = t3.productid WHERE t1.firstname = 'adam'
360	sales	bird	Calculate the total price for products from id 400 to 500.	train	hard	SELECT SUM(t1.price * t2.quantity) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t1.productid BETWEEN 400 AND 500
361	sales	bird	Calculate the total quantity of products with name starting with alphabet "c".	train	hard	SELECT SUM(t2.quantity) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE SUBSTRING(t1.name, 1, 1) = 'c'
362	sales	bird	Calculate the total quantity of products purchased by customer called Adrian.	train	hard	SELECT SUM(t2.quantity) FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid WHERE t1.firstname = 'adam'
363	sales	bird	List the product ID of the top five products, by descending order, in terms of price.	train	hard	SELECT productid FROM products ORDER BY price DESC LIMIT 5
364	sales	bird	Among the products, how many of them are freebies?	train	easy	SELECT COUNT(productid) FROM products WHERE price = 0
365	sales	bird	Write down the name of products whose sale quantity is more than 950.	train	hard	SELECT DISTINCT t1.name FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t2.quantity > 950
366	sales	bird	What is the full name of employee who sold 1000 units?	train	hard	SELECT DISTINCT t2.firstname, t2.middleinitial, t2.lastname FROM sales AS t1 INNER JOIN employees AS t2 ON t1.salespersonid = t2.employeeid WHERE t1.quantity = 1000
367	sales	bird	Tally the product name and quantity of the first ten sales.	train	hard	SELECT t3.name, t2.quantity FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid INNER JOIN products AS t3 ON t2.productid = t3.productid WHERE t2.salesid BETWEEN 1 AND 10
368	sales	bird	What is the total sales amount for Reflector?	train	hard	SELECT SUM(t1.price * t2.quantity) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t1.name = 'reflector'
369	sales	bird	What is the best selling colour for HL Mountain Frame, 42?	train	hard	SELECT IIF(SUM(IIF(t1.name = 'hl mountain frame - silver, 42', t2.salesid, 0)) - SUM(IIF(t1.name = 'hl mountain frame - black, 42', t2.salesid, 0)) > 0, 'silver', 'black') FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid
370	sales	bird	What is the difference in price between HL Mountain Frame - Black, 42 and LL Mountain Frame - Black, 42?	train	easy	SELECT (SELECT price FROM products WHERE name = 'hl mountain frame - black, 42') - (SELECT price FROM products WHERE name = 'll mountain frame - black, 42') AS num
371	sales	bird	Calculate the total number of sales closed by Michel E. DeFrance?	train	hard	SELECT COUNT(t1.salesid) FROM sales AS t1 INNER JOIN employees AS t2 ON t1.salespersonid = t2.employeeid WHERE t2.firstname = 'michel' AND t2.middleinitial = 'e' AND t2.lastname = 'defrance'
372	sales	bird	What is the average number of customers per sales person?	train	hard	SELECT CAST(COUNT(t1.customerid) AS REAL) / COUNT(t3.employeeid) FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid INNER JOIN employees AS t3 ON t2.salespersonid = t3.employeeid
373	sales	bird	Among all customers handled by Innes E. del Castillo, how many have purchased Short-Sleeve Classic Jersey, L?	train	hard	SELECT COUNT(t2.customerid) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid INNER JOIN employees AS t3 ON t2.salespersonid = t3.employeeid WHERE t3.firstname = 'innes' AND t3.lastname = 'del castillo' AND t1.name = 'short-sleeve classic jersey, l' AND t3.middleinitial = 'e'
374	sales	bird	Name the sales person who helped Elizabeth A. White to purchase Road-250 Black, 48.	train	hard	SELECT DISTINCT t3.firstname, t3.middleinitial, t3.lastname FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid INNER JOIN employees AS t3 ON t2.salespersonid = t3.employeeid INNER JOIN customers AS t4 ON t2.customerid = t4.customerid WHERE t4.middleinitial = 'a' AND t4.lastname = 'white' AND t1.name = 'road-250 black, 48' AND t4.firstname = 'elizabeth'
375	sales	bird	How many sales people managed to sell Headlights - Weatherproof?	train	hard	SELECT COUNT(t2.salespersonid) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t1.name = 'headlights - weatherproof'
376	sales	bird	Calculate the revenue produced through sales of HL Road Frame - Red, 56.	train	hard	SELECT SUM(t2.quantity * t1.price) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t1.name = 'hl road frame - red, 56'
377	sales	bird	How many sales transactions were given by the customer named Joe L. Lopez?	train	hard	SELECT COUNT(t1.salesid) FROM sales AS t1 INNER JOIN customers AS t2 ON t1.customerid = t2.customerid WHERE t2.firstname = 'joe' AND t2.middleinitial = 'l' AND t2.lastname = 'lopez'
378	sales	bird	Name the customers who received 'Touring Rim' as a free gift.	train	hard	SELECT DISTINCT t1.firstname, t1.middleinitial, t1.lastname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid INNER JOIN products AS t3 ON t2.productid = t3.productid WHERE t3.name = 'touring rim' AND t3.price = 0
379	sales	bird	Find the number of customers handled by each of the sales people.	train	hard	SELECT COUNT(customerid) FROM sales GROUP BY salespersonid
380	sales	bird	How many sales people are handling all the customers?	train	easy	SELECT COUNT(employeeid) FROM employees
381	sales	bird	Identify the name of the sales person with employee ID 7.	train	easy	SELECT firstname, middleinitial, lastname FROM employees WHERE employeeid = 7
382	sales	bird	Name the most expensive and the least expensive products available, excluding free gifts.	train	easy	SELECT name FROM products WHERE price IN ((SELECT MAX(price) FROM products), (SELECT MIN(price) FROM products))
383	sales	bird	Among all the customers who have purchased ML Bottom Bracket, identify the percentage of sales by Albert I. Ringer?	train	hard	SELECT CAST(CAST(SUM(IIF(t3.firstname = 'albert' AND t3.middleinitial = 'i' AND t3.lastname = 'ringer', 1, 0)) AS REAL) * 100 AS REAL) / COUNT(t2.customerid) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid INNER JOIN employees AS t3 ON t2.salespersonid = t3.employeeid WHERE t1.name = 'ml bottom bracket'
384	sales	bird	How many customers have the first name Abigail?	train	easy	SELECT COUNT(customerid) FROM customers WHERE firstname = 'abigail'
385	sales	bird	Indicate the quantity of Blade products sold.	train	hard	SELECT DISTINCT t2.quantity FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t1.name = 'blade'
386	sales	bird	Give the full name of the employee who has sold the most quantity.	train	hard	SELECT t1.firstname, t1.lastname FROM employees AS t1 INNER JOIN sales AS t2 ON t1.employeeid = t2.salespersonid ORDER BY t2.quantity DESC LIMIT 1
387	sales	bird	List the full name of the customer who purchased the most quantity of products.	train	hard	SELECT t1.firstname, t1.lastname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid ORDER BY t2.quantity DESC LIMIT 1
388	sales	bird	What is the name of the product that is most sold by sale person id 20?	train	hard	SELECT t1.name FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t2.salespersonid = 20 ORDER BY t2.quantity DESC LIMIT 1
389	sales	bird	List the first names of employees with trading quantity for more than 500.	train	hard	SELECT DISTINCT t1.firstname FROM employees AS t1 INNER JOIN sales AS t2 ON t1.employeeid = t2.salespersonid WHERE t2.quantity > 500
390	sales	bird	List the first names of customers who have purchased products from sale person id 1.	train	hard	SELECT t1.firstname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid WHERE t2.salespersonid = 1
391	sales	bird	Calculate the total trading quantity of Abraham sold to Aaron Alexander.	train	hard	SELECT SUM(t2.quantity) FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid INNER JOIN employees AS t3 ON t2.salespersonid = t3.employeeid WHERE t2.salespersonid = 1 AND t1.firstname = 'aaron' AND t1.lastname = 'alexander' AND t3.firstname = 'abraham'
392	sales	bird	List the full names of customers who have purchased products in quantity over 600.	train	hard	SELECT t1.firstname, t1.lastname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid WHERE t2.quantity > 600
393	sales	bird	Among the customers whose first name is Cameron, who bought the product in the most quantity?	train	hard	SELECT t1.firstname, t1.lastname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid WHERE t1.firstname = 'cameron' ORDER BY t2.quantity DESC LIMIT 1
394	sales	bird	Please provide sales ID for products named Hex Nut with a price greater than 100.	train	hard	SELECT t2.salesid FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t1.name LIKE 'hex nut%' AND t1.price > 100
395	sales	bird	Identify customer IDs who bought products priced from 1000 to 2000.	train	hard	SELECT DISTINCT t2.customerid FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t1.price BETWEEN 1000 AND 2000
396	sales	bird	Calculate the total quantity of products that are gifts.	train	hard	SELECT SUM(t2.quantity) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t1.price = 0
397	sales	bird	Calculate the quantity percentage of the gift products in the total trading quantity.	train	hard	SELECT CAST(CAST(SUM(IIF(t1.price = 0, t2.quantity, 0)) AS REAL) * 100 AS REAL) / SUM(t2.quantity) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid
398	sales	bird	Calculate the percentage of sold blades in the total number of transactions.	train	hard	SELECT CAST(CAST(SUM(IIF(t1.name = 'blade', t2.quantity, 0)) AS REAL) * 100 AS REAL) / SUM(t2.quantity) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid
399	sales	bird	How many of the employees have the last name "Ringer" ?	train	easy	SELECT COUNT(lastname) FROM employees WHERE lastname = 'ringer'
400	sales	bird	Among the products with product ID lower than 15, how many of them costs 10 and below?	train	medium	SELECT COUNT(productid) FROM products WHERE productid < 15 AND price <= 10

301

regional_sales

bird

Which Apollo Ltd customer's order number has the most expensive unit price, indicating the order date?

train

hard

select t1.ordernumber, t1.orderdate from `sales orders` as t1 inner join customers as t2 on t2.customerid = t1._customerid where t2.`customer names` = 'apollo ltd' order by t1.`unit price` desc limit 1

302

regional_sales

bird

Provide order number, warehouse code of customers Elorac, Corp.

train

hard

select distinct t1.ordernumber, t1.warehousecode from `sales orders` as t1 inner join customers as t2 on t2.customerid = t1._customerid where t2.`customer names` = 'elorac, corp'

303

regional_sales

bird

Name of customers who have ordered Cocktail Glasses by online sales channel.

train

hard

select t from ( select distinct case when t3.`product name` = 'cocktail glasses' and t2.`sales channel` = 'online' then t1.`customer names` end as t from customers t1 inner join `sales orders` t2 on t2._customerid = t1.customerid inner join products t3 on t3.productid = t2._productid ) where t is not null

304

regional_sales

bird

Which store in Arizona has the most net profit?

train

hard

select t2.storeid from `sales orders` as t1 inner join `store locations` as t2 on t2.storeid = t1._storeid where t2.state = 'arizona' order by t1.`unit price` - t1.`unit cost` desc limit 1

305

regional_sales

bird

How much more is the Florida store's computer product unit price than the Texas store?

train

hard

select sum(case when t3.state = 'florida' then t2.`unit price` else 0 end) - sum(case when t3.state = 'texas' then t2.`unit price` else 0 end) from products as t1 inner join `sales orders` as t2 on t2._productid = t1.productid inner join `store locations` as t3 on t3.storeid = t2._storeid where t1.`product name` = 'computers'

306

regional_sales

bird

Among sales teams in Midwest region, which sales team has an order quantity greater than 5?

train

hard

select distinct t2.`sales team` from `sales orders` as t1 inner join `sales team` as t2 on t2.salesteamid = t1._salesteamid where t2.region = 'midwest' and t1.`order quantity` > 5

307

regional_sales

bird

Please indicate store id in the state of California that have been applied 20% discount in store.

train

hard

select t from ( select distinct case when t2.state = 'california' and t1.`sales channel` = 'in-store' and t1.`discount applied` = 0.2 then t2.storeid end as t from `sales orders` t1 inner join `store locations` t2 on t2.storeid = t1._storeid ) where t is not null

308

regional_sales

bird

List the name of the customer with the most number of order quantity from 2018 to 2020.

train

hard

select t1.`customer names` from customers as t1 inner join `sales orders` as t2 on t2._customerid = t1.customerid where t2.orderdate like '%/%/18' or t2.orderdate like '%/%/19' or t2.orderdate like '%/%/20' order by t2.`order quantity` desc limit 1

309

regional_sales

bird

Please indicate total order quantity of product Candles and calculate the percentage of such product among all the orders.

train

hard

select sum(case when t1.`product name` = 'candles' then t2.`order quantity` else 0 end), cast(sum(case when t1.`product name` = 'candles' then t2.`order quantity` else 0 end) as real) * 100 / sum(t2.`order quantity`) from products as t1 inner join `sales orders` as t2 on t2._productid = t1.productid inner join `store locations` as t3 on t3.storeid = t2._storeid

310

regional_sales

bird

Which region is Joshua Bennet located in?

train

easy

select t from ( select distinct case when `sales team` = 'joshua bennett' then region else null end as t from `sales team` ) where t is not null

311

regional_sales

bird

What is the store id of the store located in the most populous county?

train

easy

select case when max(population) then storeid end from `store locations`

312

regional_sales

bird

How many sales teams are there in the Midwest?

train

easy

select sum(case when region = 'midwest' then 1 else 0 end) from `sales team`

313

regional_sales

bird

What is the type of store located in the city with the highest amount of water area?

train

easy

select case when max(`water area`) then type end from `store locations`

314

regional_sales

bird

How many online orders were shipped during the month of June 2018?

train

easy

select sum(iif(shipdate like '6/%/18' and `sales channel` = 'online', 1, 0)) from `sales orders`

315

regional_sales

bird

How much is the discount applied to the order with the highest unit price?

train

medium

select `discount applied` from `sales orders` where replace(`unit price`, ',', '') = ( select replace(`unit price`, ',', '') from `sales orders` order by replace(`unit price`, ',', '') desc limit 1 ) order by replace(`unit price`, ',', '') desc limit 1

316

regional_sales

bird

What is the name of the product with the highest net profit?

train

hard

select t2.`product name` from `sales orders` as t1 inner join products as t2 on t2.productid = t1._productid order by replace(t1.`unit price`, ',', '') - replace(t1.`unit cost`, ',', '') desc limit 1

317

regional_sales

bird

In the Northeast region, what is the average household income for each city located in the state with the highest number of stores?

train

hard

select avg(t2.`household income`) from regions as t1 inner join `store locations` as t2 on t2.statecode = t1.statecode where t1.region = 'northeast' group by t2.state order by count(t2.storeid) desc limit 1

318

regional_sales

bird

In which region can you find the stores located in the state whose median income is no more than 30,000?

train

hard

select t from ( select distinct case when t2.`median income` < 30000 then t1.region end as t from regions t1 inner join `store locations` t2 on t2.statecode = t1.statecode ) where t is not null

319

regional_sales

bird

In the West, how many stores are there in the city whose land area is below 20,000,000?

train

hard

select sum(case when t1.region = 'west' and t2.`land area` < 20000000 then 1 else 0 end) from regions as t1 inner join `store locations` as t2 on t2.statecode = t1.statecode

320

regional_sales

bird

What is the name of the customer who purchased the product with the highest net profiit?

train

hard

select `customer names` from ( select t1.`customer names`, t2.`unit price` - t2.`unit cost` as 'net profit' from customers t1 inner join `sales orders` t2 on t2._customerid = t1.customerid ) order by `net profit` desc limit 1

321

regional_sales

bird

In 2019, how many orders were shipped by the sales team with the highest number of orders in the said year? Provide the name of the sales team.

train

hard

select count(t1.ordernumber), t2.`sales team` from `sales orders` as t1 inner join `sales team` as t2 on t2.salesteamid = t1._salesteamid where t1.orderdate like '%/%/19' and t1.shipdate like '%/%/19' group by t2.`sales team` order by count(t1.ordernumber) desc limit 1

322

regional_sales

bird

Among the products with an order quantity of no less than 5 that was shipped in the month of May 2019, what is the name of the product with the lowest net profit?

train

hard

select t2.`product name` from `sales orders` as t1 inner join products as t2 on t2.productid = t1._productid where t1.`order quantity` > 5 and shipdate like '5/%/19' order by replace(t1.`unit price`, ',', '') - replace(t1.`unit cost`, ',', '') asc limit 1

323

regional_sales

bird

What is the detailed coordinates of the store where the product with the 4th highest profit were purchased from?

train

hard

select t2.latitude, t2.longitude from `sales orders` as t1 inner join `store locations` as t2 on t2.storeid = t1._storeid order by replace(t1.`unit price`, ',', '') - replace(t1.`unit cost`, ',', '') desc limit 3, 1

324

regional_sales

bird

How many orders were shipped by the sales team with the highest amount of shipped orders in 2020? Give the name of the said sales team.

train

hard

select count(t1.ordernumber), t2.`sales team` from `sales orders` as t1 inner join `sales team` as t2 on t2.salesteamid = t1._salesteamid where t1.shipdate like '%/%/20' group by t2.`sales team` order by count(t1.ordernumber) desc limit 1

325

regional_sales

bird

Between 2018 to 2020, what is the average amount of shipped orders per year under Carl Nguyen?

train

hard

select cast(count(t1.ordernumber) as real) / 3 from `sales orders` as t1 inner join `sales team` as t2 on t2.salesteamid = t1._salesteamid where (t2.`sales team` = 'carl nguyen' and shipdate like '%/%/18') or (t2.`sales team` = 'carl nguyen' and shipdate like '%/%/19') or (t2.`sales team` = 'carl nguyen' and shipdate like '%/%/20')

326

regional_sales

bird

What is the amount of discount applied to the product with the highest net profit and what is the name of the said product?

train

hard

select t1.`unit price` * t1.`discount applied`, t2.`product name` from `sales orders` as t1 inner join products as t2 on t2.productid = t1._productid order by replace(t1.`unit price`, ',', '') - replace(t1.`unit cost`, ',', '') desc limit 1

327

regional_sales

bird

What are the names of the top 3 customers who paid the highest amount of price per order after discount?

train

hard

select `customer names` from ( select t1.`customer names` , replace(t2.`unit price`, ',', '') * t2.`order quantity` - replace(t2.`unit price`, ',', '') * t2.`discount applied` as t from customers t1 inner join `sales orders` t2 on t2._customerid = t1.customerid ) order by t desc limit 3

328

regional_sales

bird

Which sales channel was most preferred in commercializing products in January 2020 based on the number of orders placed?

train

medium

select `sales channel` from `sales orders` where orderdate like '1/%/20' group by `sales channel` order by count(`sales channel`) desc limit 1

329

regional_sales

bird

Name the product that was registered in the sales order 'SO - 0005951'.

train

hard

select t from ( select distinct case when t2.ordernumber = 'so - 0005951' then t1.`product name` else null end as t from products t1 inner join `sales orders` t2 on t2._productid = t1.productid ) where t is not null

330

regional_sales

bird

Identify the store location and sales team who processed the sales order 'SO - 0001004'.

train

hard

select t3.`sales team`, t1.`city name` from `store locations` as t1 inner join `sales orders` as t2 on t2._storeid = t1.storeid inner join `sales team` as t3 on t3.salesteamid = t2._salesteamid where t2.ordernumber = 'so - 0001004'

331

regional_sales

bird

Identify the top customer of the store located in Gilbert, Arizona based on net profit associated with the customer relationship in 2019.

train

hard

select t1.`customer names` from customers as t1 inner join `sales orders` as t2 on t2._customerid = t1.customerid inner join `store locations` as t3 on t3.storeid = t2._storeid where t3.`city name` = 'gilbert' and t2.procureddate like '%/%/19' order by replace(t2.`unit price`, ',', '') - replace(t2.`unit cost`, ',', '') desc limit 1

332

regional_sales

bird

How many sales orders were processed by the store located in Chandler in 2020?

train

hard

select sum(case when t2.`city name` = 'chandler' and t1.orderdate like '%/%/20' then 1 else 0 end) from `sales orders` as t1 inner join `store locations` as t2 on t2.storeid = t1._storeid

333

regional_sales

bird

What is the average household income of Glendale?

train

easy

select avg(`household income`) from `store locations` where `city name` = 'glendale'

334

regional_sales

bird

What was the best discount applied to sales orders in 2020?

train

medium

select max(`discount applied`) from `sales orders` where orderdate like '%/%/20'

335

sales

bird

How many sales ids are there for customer id 80?

train

easy

SELECT COUNT(salesid) FROM sales WHERE customerid = 80

336

sales

bird

Count the total quantity for sales from id 1 to 10.

train

medium

SELECT SUM(quantity) FROM sales WHERE salesid BETWEEN 1 AND 10

337

sales

bird

Calculate the average quantity per sales from sales id 20 to 30.

train

medium

SELECT AVG(quantity) FROM sales WHERE salesid BETWEEN 20 AND 30

338

sales

bird

List down the product id for products with the highest quantity.

train

easy

SELECT DISTINCT productid FROM sales WHERE quantity = (SELECT MAX(quantity) FROM sales)

339

sales

bird

How many product ids have the lowest price?

train

easy

SELECT COUNT(DISTINCT productid) FROM products WHERE price = (SELECT MAX(price) FROM products)

340

sales

bird

List down product names of free gifts.

train

easy

SELECT name FROM products WHERE price = 0

341

sales

bird

List down the product name for products from id 1 to 10.

train

medium

SELECT name FROM products WHERE productid BETWEEN 1 AND 10

342

sales

bird

What is the name of the product with the lowest quantity?

train

hard

SELECT t2.name FROM sales AS t1 INNER JOIN products AS t2 ON t1.productid = t2.productid ORDER BY t1.quantity LIMIT 1

343

sales

bird

How many customer ids have purchased Hex Nut 9?

train

hard

SELECT COUNT(t1.customerid) FROM sales AS t1 INNER JOIN products AS t2 ON t1.productid = t2.productid WHERE t2.name = 'hex nut 9'

344

sales

bird

Calculate the total sales ids that were sales of Flat Washer 8.

train

hard

SELECT COUNT(t1.salesid) FROM sales AS t1 INNER JOIN products AS t2 ON t1.productid = t2.productid WHERE t2.name = 'flat washer 8'

345

sales

bird

List down all of the product names that were placed by sales person with id 10.

train

hard

SELECT DISTINCT t1.name FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t2.salespersonid = 10

346

sales

bird

List down the first name of customers who placed order for product id 1.

train

hard

SELECT t1.firstname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid INNER JOIN products AS t3 ON t2.productid = t3.productid WHERE t2.productid = 1

347

sales

bird

What is the last name of the customer who placed an order for sales id 178?

train

hard

SELECT t1.lastname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid WHERE t2.salesid = 178

348

sales

bird

List down product ids that were purchased by customers called Abby.

train

hard

SELECT DISTINCT t1.productid FROM sales AS t1 INNER JOIN customers AS t2 ON t1.customerid = t2.customerid WHERE t2.firstname = 'abby'

349

sales

bird

Write down all of the product ids that were placed by Meander.

train

hard

SELECT DISTINCT t2.productid FROM employees AS t1 INNER JOIN sales AS t2 ON t1.employeeid = t2.salespersonid WHERE t1.firstname = 'meander'

350

sales

bird

What is the last name of sales person for sales id 100?

train

hard

SELECT t1.lastname FROM employees AS t1 INNER JOIN sales AS t2 ON t1.employeeid = t2.salespersonid WHERE t2.salesid = 100

351

sales

bird

What is the first name of employee who handled sales for customer called Abigail?

train

hard

SELECT DISTINCT t3.firstname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid INNER JOIN employees AS t3 ON t2.salespersonid = t3.employeeid WHERE t1.firstname = 'abigail'

352

sales

bird

How many free gifts have customer with id 11782 received?

train

hard

SELECT COUNT(t1.productid) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t2.customerid = 11782 AND t1.price = 0

353

sales

bird

What is the full name of customers who dealt with sales person with id 5?

train

hard

SELECT t1.firstname, t1.middleinitial, t1.lastname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid WHERE t2.salespersonid = 5

354

sales

bird

List down all of the sales IDs for sales handled by sales people with first name starting with alphabet "s".

train

hard

SELECT t1.salesid FROM sales AS t1 INNER JOIN employees AS t2 ON t1.salespersonid = t2.employeeid WHERE SUBSTRING(t2.firstname, 1, 1) = 's'

355

sales

bird

Among customers with IDs from 1 to 100, what is the highest price of products they purchased?

train

hard

SELECT t1.price FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t2.customerid BETWEEN 1 AND 100 ORDER BY t1.price DESC LIMIT 1

356

sales

bird

Among customers with the last name of Valdez, who purchased the highest quantity?

train

hard

SELECT t1.firstname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid WHERE t1.lastname = 'valdez' ORDER BY t2.quantity DESC LIMIT 1

357

sales

bird

Sum up the number sales ids handled by employees called Morningstar, Heather and Dean.

train

hard

SELECT SUM(IIF(t2.firstname = 'morningstar', 1, 0)) + SUM(IIF(t2.firstname = 'heather', 1, 0)) + SUM(IIF(t2.firstname = 'dean', 1, 0)) AS num FROM sales AS t1 INNER JOIN employees AS t2 ON t1.salespersonid = t2.employeeid

358

sales

bird

Has Alex purchased product with id 498?

train

hard

SELECT IIF(t1.productid = 498, 'yes', 'no') FROM sales AS t1 INNER JOIN customers AS t2 ON t1.customerid = t2.customerid WHERE t2.firstname = 'alex'

359

sales

bird

Calculate the total price of products purchased by Adam.

train

hard

SELECT SUM(t3.price * t2.quantity) FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid INNER JOIN products AS t3 ON t2.productid = t3.productid WHERE t1.firstname = 'adam'

360

sales

bird

Calculate the total price for products from id 400 to 500.

train

hard

SELECT SUM(t1.price * t2.quantity) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t1.productid BETWEEN 400 AND 500

361

sales

bird

Calculate the total quantity of products with name starting with alphabet "c".

train

hard

SELECT SUM(t2.quantity) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE SUBSTRING(t1.name, 1, 1) = 'c'

362

sales

bird

Calculate the total quantity of products purchased by customer called Adrian.

train

hard

SELECT SUM(t2.quantity) FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid WHERE t1.firstname = 'adam'

363

sales

bird

List the product ID of the top five products, by descending order, in terms of price.

train

hard

SELECT productid FROM products ORDER BY price DESC LIMIT 5

364

sales

bird

Among the products, how many of them are freebies?

train

easy

SELECT COUNT(productid) FROM products WHERE price = 0

365

sales

bird

Write down the name of products whose sale quantity is more than 950.

train

hard

SELECT DISTINCT t1.name FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t2.quantity > 950

366

sales

bird

What is the full name of employee who sold 1000 units?

train

hard

SELECT DISTINCT t2.firstname, t2.middleinitial, t2.lastname FROM sales AS t1 INNER JOIN employees AS t2 ON t1.salespersonid = t2.employeeid WHERE t1.quantity = 1000

367

sales

bird

Tally the product name and quantity of the first ten sales.

train

hard

SELECT t3.name, t2.quantity FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid INNER JOIN products AS t3 ON t2.productid = t3.productid WHERE t2.salesid BETWEEN 1 AND 10

368

sales

bird

What is the total sales amount for Reflector?

train

hard

SELECT SUM(t1.price * t2.quantity) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t1.name = 'reflector'

369

sales

bird

What is the best selling colour for HL Mountain Frame, 42?

train

hard

SELECT IIF(SUM(IIF(t1.name = 'hl mountain frame - silver, 42', t2.salesid, 0)) - SUM(IIF(t1.name = 'hl mountain frame - black, 42', t2.salesid, 0)) > 0, 'silver', 'black') FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid

370

sales

bird

What is the difference in price between HL Mountain Frame - Black, 42 and LL Mountain Frame - Black, 42?

train

easy

SELECT (SELECT price FROM products WHERE name = 'hl mountain frame - black, 42') - (SELECT price FROM products WHERE name = 'll mountain frame - black, 42') AS num

371

sales

bird

Calculate the total number of sales closed by Michel E. DeFrance?

train

hard

SELECT COUNT(t1.salesid) FROM sales AS t1 INNER JOIN employees AS t2 ON t1.salespersonid = t2.employeeid WHERE t2.firstname = 'michel' AND t2.middleinitial = 'e' AND t2.lastname = 'defrance'

372

sales

bird

What is the average number of customers per sales person?

train

hard

SELECT CAST(COUNT(t1.customerid) AS REAL) / COUNT(t3.employeeid) FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid INNER JOIN employees AS t3 ON t2.salespersonid = t3.employeeid

373

sales

bird

Among all customers handled by Innes E. del Castillo, how many have purchased Short-Sleeve Classic Jersey, L?

train

hard

SELECT COUNT(t2.customerid) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid INNER JOIN employees AS t3 ON t2.salespersonid = t3.employeeid WHERE t3.firstname = 'innes' AND t3.lastname = 'del castillo' AND t1.name = 'short-sleeve classic jersey, l' AND t3.middleinitial = 'e'

374

sales

bird

Name the sales person who helped Elizabeth A. White to purchase Road-250 Black, 48.

train

hard

SELECT DISTINCT t3.firstname, t3.middleinitial, t3.lastname FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid INNER JOIN employees AS t3 ON t2.salespersonid = t3.employeeid INNER JOIN customers AS t4 ON t2.customerid = t4.customerid WHERE t4.middleinitial = 'a' AND t4.lastname = 'white' AND t1.name = 'road-250 black, 48' AND t4.firstname = 'elizabeth'

375

sales

bird

How many sales people managed to sell Headlights - Weatherproof?

train

hard

SELECT COUNT(t2.salespersonid) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t1.name = 'headlights - weatherproof'

376

sales

bird

Calculate the revenue produced through sales of HL Road Frame - Red, 56.

train

hard

SELECT SUM(t2.quantity * t1.price) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t1.name = 'hl road frame - red, 56'

377

sales

bird

How many sales transactions were given by the customer named Joe L. Lopez?

train

hard

SELECT COUNT(t1.salesid) FROM sales AS t1 INNER JOIN customers AS t2 ON t1.customerid = t2.customerid WHERE t2.firstname = 'joe' AND t2.middleinitial = 'l' AND t2.lastname = 'lopez'

378

sales

bird

Name the customers who received 'Touring Rim' as a free gift.

train

hard

SELECT DISTINCT t1.firstname, t1.middleinitial, t1.lastname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid INNER JOIN products AS t3 ON t2.productid = t3.productid WHERE t3.name = 'touring rim' AND t3.price = 0

379

sales

bird

Find the number of customers handled by each of the sales people.

train

hard

SELECT COUNT(customerid) FROM sales GROUP BY salespersonid

380

sales

bird

How many sales people are handling all the customers?

train

easy

SELECT COUNT(employeeid) FROM employees

381

sales

bird

Identify the name of the sales person with employee ID 7.

train

easy

SELECT firstname, middleinitial, lastname FROM employees WHERE employeeid = 7

382

sales

bird

Name the most expensive and the least expensive products available, excluding free gifts.

train

easy

SELECT name FROM products WHERE price IN ((SELECT MAX(price) FROM products), (SELECT MIN(price) FROM products))

383

sales

bird

Among all the customers who have purchased ML Bottom Bracket, identify the percentage of sales by Albert I. Ringer?

train

hard

SELECT CAST(CAST(SUM(IIF(t3.firstname = 'albert' AND t3.middleinitial = 'i' AND t3.lastname = 'ringer', 1, 0)) AS REAL) * 100 AS REAL) / COUNT(t2.customerid) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid INNER JOIN employees AS t3 ON t2.salespersonid = t3.employeeid WHERE t1.name = 'ml bottom bracket'

384

sales

bird

How many customers have the first name Abigail?

train

easy

SELECT COUNT(customerid) FROM customers WHERE firstname = 'abigail'

385

sales

bird

Indicate the quantity of Blade products sold.

train

hard

SELECT DISTINCT t2.quantity FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t1.name = 'blade'

386

sales

bird

Give the full name of the employee who has sold the most quantity.

train

hard

SELECT t1.firstname, t1.lastname FROM employees AS t1 INNER JOIN sales AS t2 ON t1.employeeid = t2.salespersonid ORDER BY t2.quantity DESC LIMIT 1

387

sales

bird

List the full name of the customer who purchased the most quantity of products.

train

hard

SELECT t1.firstname, t1.lastname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid ORDER BY t2.quantity DESC LIMIT 1

388

sales

bird

What is the name of the product that is most sold by sale person id 20?

train

hard

SELECT t1.name FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t2.salespersonid = 20 ORDER BY t2.quantity DESC LIMIT 1

389

sales

bird

List the first names of employees with trading quantity for more than 500.

train

hard

SELECT DISTINCT t1.firstname FROM employees AS t1 INNER JOIN sales AS t2 ON t1.employeeid = t2.salespersonid WHERE t2.quantity > 500

390

sales

bird

List the first names of customers who have purchased products from sale person id 1.

train

hard

SELECT t1.firstname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid WHERE t2.salespersonid = 1

391

sales

bird

Calculate the total trading quantity of Abraham sold to Aaron Alexander.

train

hard

SELECT SUM(t2.quantity) FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid INNER JOIN employees AS t3 ON t2.salespersonid = t3.employeeid WHERE t2.salespersonid = 1 AND t1.firstname = 'aaron' AND t1.lastname = 'alexander' AND t3.firstname = 'abraham'

392

sales

bird

List the full names of customers who have purchased products in quantity over 600.

train

hard

SELECT t1.firstname, t1.lastname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid WHERE t2.quantity > 600

393

sales

bird

Among the customers whose first name is Cameron, who bought the product in the most quantity?

train

hard

SELECT t1.firstname, t1.lastname FROM customers AS t1 INNER JOIN sales AS t2 ON t1.customerid = t2.customerid WHERE t1.firstname = 'cameron' ORDER BY t2.quantity DESC LIMIT 1

394

sales

bird

Please provide sales ID for products named Hex Nut with a price greater than 100.

train

hard

SELECT t2.salesid FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t1.name LIKE 'hex nut%' AND t1.price > 100

395

sales

bird

Identify customer IDs who bought products priced from 1000 to 2000.

train

hard

SELECT DISTINCT t2.customerid FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t1.price BETWEEN 1000 AND 2000

396

sales

bird

Calculate the total quantity of products that are gifts.

train

hard

SELECT SUM(t2.quantity) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid WHERE t1.price = 0

397

sales

bird

Calculate the quantity percentage of the gift products in the total trading quantity.

train

hard

SELECT CAST(CAST(SUM(IIF(t1.price = 0, t2.quantity, 0)) AS REAL) * 100 AS REAL) / SUM(t2.quantity) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid

398

sales

bird

Calculate the percentage of sold blades in the total number of transactions.

train

hard

SELECT CAST(CAST(SUM(IIF(t1.name = 'blade', t2.quantity, 0)) AS REAL) * 100 AS REAL) / SUM(t2.quantity) FROM products AS t1 INNER JOIN sales AS t2 ON t1.productid = t2.productid

399

sales

bird

How many of the employees have the last name "Ringer" ?

train

easy

SELECT COUNT(lastname) FROM employees WHERE lastname = 'ringer'

400

sales

bird

Among the products with product ID lower than 15, how many of them costs 10 and below?

train

medium

SELECT COUNT(productid) FROM products WHERE productid < 15 AND price <= 10