1.0. Introduction:
MySQL 8.0 was released with awesome features. One of its most prominent features is CTE (Common Table Expression).
The Common Table Expression can be used to construct complex queries in a more readable manner. In this blog, I have described how the CTE works with some useful examples.
1.1 What is CTE?
A Common Table Expression (CTE) is the result set of the query, which exists temporarily and uses only within the context of a larger query.
The CTE provides better readability and performance in comparison with a derived table.
In a normal query the temporary result set that exists only within the execution scope of a single SQL statement.
Example:
select …[Read more]