SQL CASE Keyword

CASE

The CASE command is used is to create different output based on conditions.

The following SQL goes through several conditions and returns a value when the specified condition is met: Continue reading SQL CASE Keyword

SQL CASE Expression

The SQL CASE Expression

The CASE expression goes through conditions and returns a value when the first condition is met (like an if-then-else statement). So, once a condition is true, it will stop reading and return the result. If no conditions are true, it returns the value in the ELSE clause.

If there is no ELSE part and no conditions are true, it returns NULL. Continue reading SQL CASE Expression