Many people are confused by various JOIN operations supported by SQL. Learn to master the SQL command line with this crash course in JOIN syntax.

In this SQL Server tip, Arthur Fuller explains the effects of NULLs, and the different results obtained by inner and outer JOINs.

PolyBase was introduced with SQL Server 2016, which added Transact-SQL querying capabilities from Hadoop, and also the ability to join SQL Server data.

Ahead of Exchange in Microsoft's billion-dollar club are the Windows client operating system, Microsoft Office, the Windows server operating system and SQL Server.

SQL Server 2017 fixes the plan quality issues of previous releases via three new features: interleaved execution for multi-statement table-valued functions (TVFs), batch-mode execution adaptive joins, ...

Although the SQL Procedure Pass-Through Facility has always passed joins to the DBMS, it is now possible to pass joins to the DBMS without using Pass-Through. Beginning in Version 7, the LIBNAME ...