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4 cards from this section. Quick, good the night before a test.
What does SQL stand for?
Think about what the letters S, Q, and L represent.
What SQL command is used to retrieve data?
Recall which command allows you to choose specific data.
What does the SELECT command do in SQL?
Think about what you want to do with existing data.
True or False: JOIN is used to combine rows from two tables.
Consider why you might need data from more than one table.
Write a comprehensive SQL query to find all users from a table whose names start with 'A', and sort them by their email addresses.
Remember to use the pattern matching function.
Explain how you would use SQL to validate that the sum of items in an order matches the total price of that order.
Think about how to retrieve data from both tables effectively.
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