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SQL JOIN Keyword

The JOIN keyword is used in an SQL statement to query data from two or more tables, based on a relationship between certain columns in these tables (e.g. foreign key).join, self join


SQL Server Data Types

SQL Server 2012 has over 30 data types, divided into seven categories: exact numbers, approximate numerics, date and time, character strings, unicode character strings, binary strings, and other data types.


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