---
title: "ALTER USER"
source: https://cloudberry.apache.org/docs/sql-stmts/alter-user
---

# ALTER USER

Changes the definition of a database role.

## Synopsis

```sql
ALTER USER <role_specification> [WITH] <option> [ ... ]

-- where option can be:

      SUPERUSER | NOSUPERUSER
    | CREATEDB | NOCREATEDB
    | CREATEROLE | NOCREATEROLE
    | CREATEEXTTABLE | NOCREATEEXTTABLE 
      [ ( <attribute>='<value>'[, ...] ) ]
           where <attributes> and <value> are:
           type='readable'|'writable'
           protocol='gpfdist'|'http'
    | INHERIT | NOINHERIT
    | LOGIN | NOLOGIN
    | REPLICATION | NOREPLICATION
    | BYPASSRLS | NOBYPASSRLS
    | CONNECTION LIMIT <connlimit>
    | [ENCRYPTED ] PASSWORD '<password>' | PASSWORD NULL
    | VALID UNTIL '<timestamp>'
    | [ DENY <deny_point> ]
    | [ DENY BETWEEN <deny_point> AND <deny_point>]
    | [ DROP DENY FOR <deny_point> ]

ALTER USER <name> RENAME TO <new_name>

ALTER USER <name> RESOURCE QUEUE {<queue_name> | NONE}

ALTER USER <name> RESOURCE GROUP {<group_name> | NONE}

ALTER USER { <role_specification> | ALL } [ IN DATABASE <database_name> ] SET <configuration_parameter> {TO | =} {<value> | DEFAULT}
ALTER USER { <role_specification> | ALL } [ IN DATABASE <database_name> ] SET <configuration_parameter> FROM CURRENT
ALTER USER { <role_specification> | ALL } [ IN DATABASE <database_name> ] RESET <configuration_parameter>
ALTER USER { <role_specification> | ALL } [ IN DATABASE <database_name> ] RESET ALL

-- where <role_specification> can be:

    role_name
  | CURRENT_USER
  | SESSION_USER
```

## Description

`ALTER USER` is an alias for [ALTER ROLE](/docs/sql-stmts/alter-role.md).

## Compatibility

The `ALTER USER` statement is a Apache Cloudberry extension. The SQL standard leaves the definition of users to the implementation.

## See also

[ALTER ROLE](/docs/sql-stmts/alter-role.md)