Test yourself
SQL Quiz
Answer the 12 questions below — you get instant feedback on each. Your best score is saved on this device.
1Which statement reads data from a table?
2Which clause filters rows in a query?
3How do you sort results from highest to lowest?
4Which statement adds a new row to a table?
5What does COUNT(*) return?
6Which keyword removes duplicate values from results?
7Which clause groups rows so you can aggregate them?
8Which statement changes existing rows?
9Which statement removes rows from a table?
10Which operator searches for a text pattern?
11What does an INNER JOIN return?
12Which keyword limits how many rows are returned?