SQL NULLLearn how to handle NULL or unknow values in tables, stored procedures and T-SQL scripts. Title Author Date SQL IS NULL and SQL IS NOT NULL Examples Eric Blinn2026-05-27 NULL Safe Equality in SQL Server Dippu Kumar Singh2026-05-09 SQL NULL Meaning and How to Handle NULL Values Eric Blinn2024-06-20 Learn about SQL NULL for Values, Querying Data and Functions Joe Gavin2023-04-26 SQL WHERE IS NOT NULL Examples Aubrey Love2023-03-13 T-SQL Code for Last non-NULL Value from a Set of Records in SQL Server Koen Verbeeck2022-09-14 How to Use SQL Server Coalesce to Work with NULL Values Ray Barley2020-06-25 Nullability settings with select into and variables Chad Boyd2009-09-10