# QUOTE

## Syntax

```sql
QUOTE(str)
```

## Description

Quotes a string to produce a result that can be used as a properly escaped data value in an SQL statement. The string is returned enclosed by single quotes and with each instance of single quote ("`'`"), backslash ("`\`"),`ASCII NUL`, and Control-Z preceded by a backslash. If the argument is `NULL`, the return value is the word "`NULL`" without enclosing single quotes.

## Examples

```sql
SELECT QUOTE("Don't!");
+-----------------+
| QUOTE("Don't!") |
+-----------------+
| 'Don\'t!'       |
+-----------------+

SELECT QUOTE(NULL); 
+-------------+
| QUOTE(NULL) |
+-------------+
| NULL        |
+-------------+
```

<sub>_This page is licensed: GPLv2, originally from_</sub> [<sub>_fill\_help\_tables.sql_</sub>](https://github.com/MariaDB/server/blob/main/scripts/fill_help_tables.sql)

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