In these lessons, we learned the following queries:

Practice all of these concepts on a different table. You may cut and paste from the list above. Be sure to adjust the table name and field names accordingly.

Then, take a test.

Note: If you have data in two separate tables, you can join the data together to act as if it were one table. When joining tables, or just when selecting data from different tables, field names may be the same from each table, which may make selecting them difficult. In this case, use aliases.

For more on SQL, see Guru99

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