How To Use UNION Operator In SQL

Yasin Panwala Nov 18, 2019 0 585

Yasin Panwala

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Yasin Panwala is a Web Developer and Author at TheCodeHubs. He has experience in Web ...

In this article, we will learn how to use the UNION operator in SQL.

To combine the result-set of multiple SELECT statements, the UNION operator is used.

Within UNION each SELECT statement must have the same number of columns.
The columns must also have similar data types.
The columns must also be in the same order in each SELECT statement.