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 ...

You’ve used a database to search your client’s data for a red flag that might indicate fraud. You imported the data into a database and created relationships between table fields. Then you carefully ...

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 ...

RIGHT JOIN (or RIGHT OUTER JOIN): It’s the opposite of a LEFT JOIN. It keeps all rows from the right table and matches from ...