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Where id LIKE "%70%" |
14. List the last names of all customers in an alphabetical oder. |
Select distinct LastName |
From customers |
Order by LastName |
Return the ordered list of all good ids. |
Select distinct id |
From goods |
Order by id |
15. Find all receipts in which either apple flavor pie was bought or customer id 12 shopped. |
Select T1.receipt |
From items as T1 JOIN goods as T2 ON T1.item = T2.id |
where T2.flavor = "Apple" and T2.food = "Pie" |
UNION |
Select ReceiptNumber |
From receipts |
where CustomerId = 12 |
Find all receipts which has the latest date. Also tell me that date. |
Select ReceiptNumber, date |
From receipts |
where date = (Select date From receipts Order by date Desc LIMIT 1) |
Find all receipts which either has the earliest date or has a good with price above 10. |
Select T1.Receipt |
From items as T1 JOIN goods as T2 ON T1.item = T2.id |
where T2.price > 10 |
UNION |
Select ReceiptNumber |
From receipts |
where date = (Select date From receipts Order by date LIMIT 1) |
16. What are the ids of Cookie and Cake that cost between 3 and 7 dollars. |
Select id |
From goods |
where (food = "Cookie" or food = "Cake") and price between 3 and 7 |
Find the first name and last name of a customer who visited on the earliest date. |
Select T1.FirstName, T1.LastName |
From customers as T1 JOIN receipts as T2 ON T1.id = T2.CustomerId |
Order by T2.date |
LIMIT 1 |
17. What is average price of goods whose flavor is blackberry or blueberry? |
Select avg(price) |
From goods |
where flavor = "Blackberry" or flavor = "Blueberry" |
Return the cheapest price for goods with cheese flavor. |
Select min(price) |
From goods |
where flavor = "Cheese" |
18. What are highest, lowest, and average prices of goods, grouped and ordered by flavor? |
Select max(price), min(price), avg(price), flavor |
From goods |
group by flavor |
order by flavor |
Return the lowest and highest prices of goods grouped and ordered by food type. |
Select min(price), max(price), food |
From goods |
group by food |
order by food |
19. Find the top three dates when the most goods were sold. |
Select date |
From receipts |
Group by date |
Order by count(*) |
LIMIT 3 |
Which customer shopped most often? How many times? |