---
title: "DEALLOCATE"
id: sql-deallocate
pg_version: "20devel"
---

<a id="sql-deallocate"></a>

# DEALLOCATE — deallocate a prepared statement

## Synopsis

```
DEALLOCATE [ PREPARE ] { name | ALL }
```

<a id="id-1.9.3.100.6"></a>

## Description

`DEALLOCATE` is used to deallocate a previously prepared SQL statement. If you do not explicitly deallocate a prepared statement, it is deallocated when the session ends. 

For more information on prepared statements, see [PREPARE](sql-prepare.md). 

<a id="id-1.9.3.100.7"></a>

## Parameters

**`PREPARE`**

 This key word is ignored. **`name`**

 The name of the prepared statement to deallocate. **`ALL`**

 Deallocate all prepared statements. <a id="id-1.9.3.100.8"></a>

## Compatibility

The SQL standard includes a `DEALLOCATE` statement, but it is only for use in embedded SQL. 

<a id="id-1.9.3.100.9"></a>

## See Also

[EXECUTE](sql-execute.md), [PREPARE](sql-prepare.md)