SQL COALESCE Function: Handling NULL Values Effectively

Part 1: Understanding The NVLCOALESCE Expression · Is NULL function is typically computationally faster than the Coalesce expression (although

What is the purpose of COALESCE in SQL? COALESCE serves to return the first non-NULL value from a set of expressions It helps manage NULL

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

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