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GRANT Server Principal Permissions (Transact-SQL)

SQL Server 2012

Grants permissions on a SQL Server login.

Topic link icon Transact-SQL Syntax Conventions


          

GRANT permission [ ,...n ] } 
    ON 
    { [ LOGIN :: SQL_Server_login ]
      | [ SERVER ROLE :: server_role ] } 
    TO <server_principal> [ ,...n ]
    [ WITH GRANT OPTION ]
    [ AS SQL_Server_login ] 

<server_principal> ::= 
    SQL_Server_login
    | SQL_Server_login_from_Windows_login 
    | SQL_Server_login_from_certificate 
    | SQL_Server_login_from_AsymKey 
    | server_role

Arguments

permission: Specifies a permission that can be granted on a SQL Server login. For a list of the permissions, see the Remarks section later in this topic.
LOGIN :: SQL_Server_login: Specifies the SQL Server login on which the permission is being granted. The scope qualifier (::) is required.
SERVER ROLE :: server_role: Specifies the user-defined server role on which the permission is being granted. The scope qualifier (::) is required.
TO <server_principal>: Specifies the SQL Server login or server role to which the permission is being granted.
SQL_Server_login: Specifies the name of a SQL Server login.
SQL_Server_login_from_Windows_login: Specifies the name of a SQL Server login created from a Windows login.
SQL_Server_login_from_certificate: Specifies the name of a SQL Server login mapped to a certificate.
SQL_Server_login_from_AsymKey: Specifies the name of a SQL Server login mapped to an asymmetric key.
server_role: Specifies the name of a user-defined server role.
WITH GRANT OPTION: Indicates that the principal will also be given the ability to grant the specified permission to other principals.
AS SQL_Server_login: Specifies the SQL Server login from which the principal executing this query derives its right to grant the permission.

Remarks

Permissions at the server scope can be granted only when the current database is master.

Information about server permissions is visible in the sys.server_permissions catalog view. Information about server principals is visible in the sys.server_principals catalog view.

SQL Server logins and server roles are server-level securables. The most specific and limited permissions that can be granted on a SQL Server login or server role are listed in the following table, together with the more general permissions that include them by implication.

SQL Server login or server role permission	Implied by SQL Server login or server role permission	Implied by server permission
CONTROL	CONTROL	CONTROL SERVER
IMPERSONATE	CONTROL	CONTROL SERVER
VIEW DEFINITION	CONTROL	VIEW ANY DEFINITION
ALTER	CONTROL	ALTER ANY LOGIN ALTER ANY SERVER ROLE

Permissions

For logins, requires CONTROL permission on the login or ALTER ANY LOGIN permission on the server.

For server roles, requires CONTROL permission on the server role or ALTER ANY SERVER ROLE permission on the server.

Examples

A. Granting IMPERSONATE permission on a login

The following example grants IMPERSONATE permission on the SQL Server login WanidaBenshoof to a SQL Server login created from the Windows user AdvWorks\YoonM.

USE master;
GRANT IMPERSONATE ON LOGIN::WanidaBenshoof to [AdvWorks\YoonM];
GO

B. Granting VIEW DEFINITION permission with GRANT OPTION

The following example grants VIEW DEFINITION on the SQL Server login EricKurjan to the SQL Server login RMeyyappan with GRANT OPTION.

USE master;
GRANT VIEW DEFINITION ON LOGIN::EricKurjan TO RMeyyappan 
    WITH GRANT OPTION;
GO

C. Granting VIEW DEFINITION permission on a server role

The following example grants VIEW DEFINITION on the Sales server role to the Auditors server role.

USE master;
GRANT VIEW DEFINITION ON SERVER ROLE::Sales TO Auditors ;
GO

Reference

sys.server_principals (Transact-SQL)

sys.server_permissions (Transact-SQL)

CREATE LOGIN (Transact-SQL)

Security Functions (Transact-SQL)

Security Stored Procedures (Transact-SQL)

Concepts

Principals (Database Engine)

Permissions (Database Engine)

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