Understanding Coalesce in SQL From Scratch -

SQL Server COALESCE The COALESCE() function in SQL Server evaluates the arguments in sequence and gives the first NON-NULL value in a specified number of

Learn how to use the SQL expression COALESCE to get the value of the first non-null argument in a scalar expression, if any; otherwise NULL

coalesce Coalesce coalesce looks at the values in a list , and returns the first non-null value This function is useful when you want to: fill in missing

coalesce COALESCE function COALESCE returns the first non- NULL element provided Signatures Parameter, Type