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

I'm doing a package tracking feature for the website of a delivery service out here. I'm trying to perform an inner join based on the success of an if statement in my sql query. However i keep ...

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