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Set Operations Set operations is used to merge query results by combining two or more queries into a particular single result.  SQL support three set operators which have the proper pattern.  <query 1> <set operators> <query 2> Union  The UNION command is ...

There are four types of SQL (structure query language) operator which is used to operate with all the data types. In the SQL if the attributes or data are used in the list they must be embedded in a single quote ( ' ' ). Operator Description BETWEEN....AND.....  It ...