BigQuery SQL - COALESCE and IFNULL Functions

coalesce bigquery   Dan coalesce معنى

coalesce as id, case when is null then RECORD DELETED when is null then RECORD ADDED when

- COALESCE works like IFNULL, but for multiple values The first of them to return a non-null value is returned, otherwise resulting in a NULL  Similar as other databases, BigQuery also supports a large number of SQL dialects COALESCE and IFNULL functions are provided to deal with

resart iacomus coalesce sql null sql sql server is null coalesce sql postgres allow nulls sql allow nulls sql - COALESCE works like IFNULL, but for multiple values The first of them to return a non-null value is returned, otherwise resulting in a NULL