<>, != Not equal to
In this section:
Precedence
8
Description
<>, !=, or NE evaluates to 0 (false) if its two operands are identical in value or to 1 (true) if its two operands are not identical in value.
Example
1 <> 2 –> 1 2 <> 2 –> 0 'A' <> 'B' –> 1