COALESCE (Transact-SQL) - SQL Server | Microsoft Learn Returns the data type of expression with the highest data type precedence If all expressions are non-nullable, the result is typed as non-nullable If all arguments are NULL, COALESCE returns NULL At least one of the null values must be a typed NULL The COALESCE expression is a syntactic shortcut for the CASE expression
COALESCE Definition Meaning - Merriam-Webster Coalesce is one of a number of English verbs (along with mix, commingle, merge, and amalgamate) that refer to the act of combining parts into a whole In particular, coalesce usually implies the merging of similar parts to form a cohesive unit, such as a political ideology, a fan-following, or (perish the thought) a Portuguese man-of-war , the
COALESCE - Snowflake Documentation Returns the first non-NULL expression among its arguments, or NULL if all its arguments are NULL If possible, pass in arguments of the same type Avoid passing in arguments of different types