COALESCE – Co-creating the EU Competence Centre for Science

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 take n number of arguments from left to right coalesce selects the first non null argument similarly isnull is

coalesce Details COALESCE accepts one or more numeric expressions The COALESCE function checks the value of each expression in the order in which they are listed and

coalesce Coalesce returns the first non-null value in a list If all the values in the list are NULL, then the function returns null