==See also==*Union (set theory)* Join_%28SQL%29*Select (SQL)==References====External links==* MSDN documentation on UNION in Transact-SQL for SQL Server* Naming of select list items in set operations* UNION in MySQL with Examples* UNION in MySQL* UNION Clause in PostgreSQL* SQL UNION and UNION ALL* Sort order within UNION statement* Designing a data flow that loads a warehouse table* Oracle 11g documentation for UNION (ALL), INTERSECT and MINUS* SQL Set Operators
Использование предложения UNION* SQL UNION Operator* UNION (DISTINCT) and UNION ALL;Реализация в MS SQL Server* Описание UNION (Transact-SQL) в MSDN;Реализация в MySQL* Querying data by using SQL UNION (примеры использования в MySQL)* UNION Syntax (в MySQL);Реализация в PostgreSQL* UNION Clause (в PostgreSQL);Реализация в Oracle* The UNION (ALL), INTERSECT, MINUS Operators;Реализация в Informix* Compose advanced SELECT statements