Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

I've done this sort of thing many a time in Access, but SQL Server gives me errors when I try...<P>We have a table for company employees:<P>Employees<BR> * EmpID (key)<BR> * EmpFirstName<BR> * ...

I'm writing some code in C# where I need to (inner?) join two tables into a DataSet / DataTable.<BR><BR>Essentially, I have two tables. Both have columns called "TestId" and "OperationId". Both are ...