!< (Not Less Than) (Transact-SQL)
SQL Server 2005
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 SET ANSI_NULLS (Transact-SQL).
Transact-SQL Syntax Conventions
- expression
-
Is any valid expression. Both expressions must have implicitly convertible data types. The conversion depends on the rules of data type precedence.
Reference
Data Types (Transact-SQL)Operators (Transact-SQL)