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# !=

#### `<expression> != <value>`

## Description

Implements the NOT EQUAL TO operator. `<expression>` can be `<table>.<column>` or `AGG(<table>.<column>, <start>, <end>)`.

This operator can be applied to columns of all types. The constant data type needs to match the aggregation/column data type.

### Example

```Text PQL
LAST(LOAN.AMOUNT, 0, 30) != 0
```