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.

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

In a recent article I showed that using Entity Framework navigation properties makes your code considerably simpler than using the more "SQL-like" Joins (though you certainly can do Joins in LINQ). I ...

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 ...