Nóta
Teastaíonn údarú chun rochtain a fháil ar an leathanach seo. Is féidir leat triail a bhaint as shíniú isteach nó eolairí a athrú.
Teastaíonn údarú chun rochtain a fháil ar an leathanach seo. Is féidir leat triail a bhaint as eolairí a athrú.
Applies to:
Databricks SQL
Databricks Runtime
Returns the logical NOT of a Boolean expression. This operator is a synonym for not operator.
Syntax
!expr
Arguments
expr: ABOOLEANexpression.
Returns
A BOOLEAN.
Examples
> SELECT !true;
false
> SELECT !false;
true
> SELECT !NULL;
NULL