11/23/2023 0 Comments Mysql union select syntaxUNION is useful because we have some information in multiple tables, and we want to fetch rows from all of them at once. The the union operator is used to combine the result set of two or more SELECT statements. UNION is used for combining two or more separate commands to return a single output. In this tutorial, you have learned how to use the UNION operator to combine two or more result sets from multiple queries.In this tutorial, I am going to explain working with MySQL UNION operator with examples. Last_name Code language: SQL (Structured Query Language) ( sql ) The following statement uses the UNION operator to combine the first name and last name of employees and dependents. See the following employees and dependents tables: In practice, we often use the UNION operator to combine data from different tables.
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