In earlier versions of SQL Server, after selecting a join algorithm, SQL Server had to process it even if a better alternative might be available. In SQL Server 2017, the query optimizer can now sense ...

Understand the effects of NULLs on inner and outer JOINs Your email has been sent SQL Server developers must understand two things: the difference between inner and outer JOINs and the effect of NULLs ...

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

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 ...