Understanding SQL Server COALESCE with Empty Strings

SQL Server: COALESCE Function coalesce Examples · COALESCE with four integer columns as coalesce The coalesce function returns the first of the parameters that has a valid non-NULL representation Any number of parameters can be used

coalesce What is the purpose of COALESCE in SQL? COALESCE serves to return the first non-NULL value from a set of expressions It helps manage NULL