COALESCE SQL function: Why we love it

COALESCE SQL function: Why we love it coalesce SQL Coalesce function The SQL Coalesce and IsNull functions are used to handle NULL values During the expression evaluation process the NULL coalesce Usage · coalesce expression simplifies standard SQL expressions by allowing you to express a search condition as a simple comparison instead of using a when

coalesce Although COALESCE , GREATEST , and LEAST are syntactically similar to functions, they are not ordinary functions, and thus cannot be used with explicit VARIADIC

coalesce The COALESCE expression allows for user-specified NULL-handling It is often used to fill in missing values in dirty data  The COALESCE function returns the first non-null value from a list of expressions It can be used in SQL data analysis to handle cases where a column may