COALESCE Function in TSQL

COALESCE Function in TSQL coalesce Coalesce returns the first non-null value in a list If all the values in the list are NULL, then the function returns null coalesce SQL Coalesce function The SQL Coalesce and IsNull functions are used to handle NULL values During the expression evaluation process the NULL

coalesce The COALESCE scalar function takes two or more arguments and returns the first nonnull argument, starting from the left in the expression list Syntax

coalesce MicroStrategy SQL generation engine uses COALESCE in two principal ways: to merge attribute ID columns in full outer joins, and for Coalesce returns the first non-null value in a list If all the values in the list are NULL, then the function returns null