SQL Server COALESCE System Function: How It Works

Reading Time: 2 minutesThe COALESCE system function offers a great way to check expressions for NULL. The syntax for COALESCE is very simple. It looks like this: COALESCE(<expr1>,<expr2>,<expr3>,<expr4>,….<exprN>) As you can see, all we do is outline a comma-separated list of expressions to the function. SQL Server will evaluate each expression, from left Continue Reading