BETA

Exercise

Removing duplicates

Let's dig a little bit deeper into the database. You want to find out which composers have written a song that is sold by eSymphony.

Since composers can write multiple songs, your results will probably include many duplicate values. If you want to select all unique values from a column, you can use the DISTINCT keyword.

Instructions 1/3

XP

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Select the Composer column from the Track table.

Take Hint (-10 XP)