Understanding Coalesce in SQL From Scratch -

Understanding Coalesce in SQL From Scratch - coalesce coalesce take n number of arguments from left to right coalesce selects the first non null argument similarly isnull is coalesce COALESCE scalar function The COALESCE function returns the value of the first nonnull expression The schema is SYSIBM The arguments must be compatible For

coalesce Examples · COALESCE with four integer columns as

coalesce The COALESCE function returns the first non-null expression in a list of expressions  COALESCE definition: 1 If two or more things coalesce, they come or grow together to form one thing or system 2 If… Learn more