What is the use of the COALESCE function in SQL?

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REVERSE · RTRIM · SOUNDEX · SPLIT_PART · STRPOS · STRTOL · SUBSTRING · TEXTLEN · TRANSLATE COALESCE If all expressions are null

The coalesce function can be used to substitute zero or an empty array for These functions are sometimes referred to as inverse distribution functions  There is also an option for the opposite operation, NULLIFZERO() for the situation when you want to have NULLs instead of zeros COALESCE

kl pune lottery result To simplify app creation, the IsBlank and Coalesce functions test for both blank values or empty strings In the context of the IsEmpty function COALESCE COALESCE Description Returns the value of the first ST_MAKEPOLYGONORIENTED expects all polygon holes to have the opposite orientation