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Exercise

SELECTing DISTINCT Data

Some databases can have duplicate records and sometimes, you'll find that you only want to list the different (distinct) values. You can use the SELECT DISTINCT statement to do this, just like in the example below:

SELECT DISTINCT(marital)
FROM clients;

Easy, isn't it?

Try to solve the following challenge:

Instructions

100 XP

Show the distinct ages of the bank's clients.