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title: Logical Operators
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---

# Logical Operators

Use logical operators to perform AND, OR, and NOT operations.

Logical operators can return true, false, or null.

| Operator    | Name        | Description |
| ----------- | ----------- | ----------- |
| `&& (and)`  | Logical AND | See table.  |
| `\|\| (or)` | Logical OR  | See table.  |
| `! (not)`   | Logical NOT | See table.  |

The following tables show how nulls are handled in logical operations.

| x     | y     | x && y | x \|\| y |
| ----- | ----- | ------ | -------- |
| True  | True  | True   | True     |
| True  | False | False  | True     |
| True  | Null  | Null   | True     |
| False | True  | False  | True     |
| False | False | False  | False    |
| False | Null  | False  | Null     |
| Null  | True  | Null   | True     |
| Null  | False | False  | Null     |
| Null  | Null  | Null   | Null     |

| x     | !x    |
| ----- | ----- |
| True  | False |
| False | True  |
| Null  | Null  |