NVL Function

NVL(expr1, expr2) : In SQL, NVL() converts a null value to an actual value. Data types that can be used are date, character, and number. The data type must match with each other i.e. expr1 and expr2 must be of the same data type.  Syntax – NVL (expr1, expr2)  expr1 is the source value or… Continue reading NVL Function