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 ...

Did you know that you could calculate fields in the query in Microsoft Access? If the user wants a calculated field in a query, the user needs to input a name for the calculated field, a colon, and ...