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Oracle® Database SQL Language Reference
11g Release 2 (11.2)

Part Number E17118-03
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ALTER ROLE

Purpose

Use the ALTER ROLE statement to change the authorization needed to enable a role.

See Also:

  • CREATE ROLE for information on creating a role

  • SET ROLE for information on enabling or disabling a role for your session

Prerequisites

You must either have been granted the role with the ADMIN OPTION or have ALTER ANY ROLE system privilege.

Before you alter a role to IDENTIFIED GLOBALLY, you must:

The one exception to this rule is that you should not revoke the role from the user who is currently altering the role.

Syntax

alter_role::=

Description of alter_role.gif follows
Description of the illustration alter_role.gif

Semantics

The keywords, parameters, and clauses in the ALTER ROLE statement all have the same meaning as in the CREATE ROLE statement.

Notes on Altering a Role The following notes apply when altering a role:

For more information, refer to CREATE ROLE and to the examples that follow.

Examples

Changing Role Identification: Example The following statement changes the role warehouse_user (created in "Creating a Role: Example") to NOT IDENTIFIED:

ALTER ROLE warehouse_user NOT IDENTIFIED;

Changing a Role Password: Example This statement changes the password on the dw_manager role (created in "Creating a Role: Example") to data:

ALTER ROLE dw_manager 
   IDENTIFIED BY data; 

Users granted the dw_manager role must subsequently use the new password data to enable the role.

Application Roles: Example The following example changes the dw_manager role to an application role using the hr.admin package:

ALTER ROLE dw_manager IDENTIFIED USING hr.admin;