SQL Quiz: basics, SELECT and tables
Test the basics of SQL: reading and filtering data with SELECT, adding, changing and deleting rows, and understanding the primary key, the relational model and the common engines.
Question preview
- Which SQL statement reads the data of a table without changing it?
- Which keyword placed after SELECT removes the identical rows from the result?
- Which clause keeps only the rows that meet a condition?
… and 7 more questions to discover by playing.