#mysql operator

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MySQL UNION Operator

MySQL UNION Operator

The UNION operator is used to combine the result-set of two or more SELECT statements.

Each SELECT statement within UNION must have the same number of columns

The columns must also have similar data types

The columns in each SELECT statement must also be in the same order

Example:

Basic Query:

SELECT column_name(s) FROM table1 UNION SELECT column_name(s) FROM table2;

Query…

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