!< (Not Less Than) (Transact-SQL)
Applies To: Azure SQL Database, SQL Server (starting with 2008)
Compares two expressions (a comparison operator). When you compare nonnull expressions, the result is TRUE if the left operand does not have a value lower than the right operand; otherwise, the result is FALSE. If either or both operands are NULL, see the topic SET ANSI_NULLS (Transact-SQL).