Understanding SQL Server COALESCE with Empty Strings

Understanding SQL Server COALESCE with Empty Strings coalesce COALESCE returns the first non-null expr in the expression list You must specify at least two expressions If all occurrences of expr evaluate to null, coalesce COALESCE is a system in-built function that can be considered one of the conditional expressions available in PostgreSQL NULLIF, GREATEST,

coalesce Learn how to use the SQL expression COALESCE to get the value of the first non-null argument in a scalar expression, if any; otherwise NULL

coalesce Waiting for a plan to come together? You're waiting for it to coalesce Coalesce is when different elements of something join together and become one  Usage · coalesce expression simplifies standard SQL expressions by allowing you to express a search condition as a simple comparison instead of using a when