Combines two or more SELECT results tables into a single result.
ANSI Compliance
This statement is ANSI SQL:2011 compliant.
Syntax
query_expression_1 UNION [ALL] query_expression_2
Combines two or more SELECT results tables into a single result.
This statement is ANSI SQL:2011 compliant.
query_expression_1 UNION [ALL] query_expression_2