If you only want to update values in table A when there are matching records in table B, then an inner join is the way to go. If you have calculations that need to vary based on optional data, the ...

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 ...

SQL Server developers must understand two things: the difference between inner and outer JOINs and the effect of NULLs upon these choices. This tip addresses both subjects.

SQL Server 2016 lets you treat JSON objects like rows in a table, allowing you to use data from AJAX queries in joins, updates and any other SQL statement you can think of. SQL Server 2016 provides ...