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Data Types in SQL

Introduction
Boolean
4. Boolean – querying the table
Date and time
Summary

Instruction

Excellent! You may, of course, use the boolean type in your SELECT statements:

SELECT
  *
FROM verification
WHERE is_verified = false;

The above query will select all users that have not been verified.

Exercise

Let's see which users are verified. Select all user_id values where the users have been verified (column is_verified).