UNION in database is a way for adding the two SQL queries into a single table with the equal column number similar data types.

Servlet Examples with Mysql UNION

UNION in database is a way for adding the two SQL queries into a single table with the equal column number similar data types. UNION can be effectively used where the tables imperfectly normalized such as data warehouse applications.

Here we are giving some examples of UNION operator with java servlet

• Union using Servlet

• Union All using Servlet