Common Table Expression (CTE ) IN SQL

In this post, we are going to learn about what is Common Table Expression or CTE, its functions, and its usability.

Common Table Expression or CTE allows you to show the temporary result set which is only available during the execution time period in the following statements SELECT, UPDATE, DELETE, INSERT or MERGE.

Syntax

WITH expression_name (Column Names)

AS

(CTE Definition)

SQL Statements ;

In the Syntax

Let's see some of the examples of CTE