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 ...

inner join calendar_t cal on cal.week_id = wh.week_period inner join fiscal_year_t fy on fy.fiscal_year_id = wh.fiscal_year_id and fy.fiscal_year = cal.fiscal_year ...

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 the left. Less common than LEFT JOIN, but good to know it exists.

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 ...