Bagikan melalui

  • Artikel

DENY Schema Permissions (Transact-SQL)

Denies permissions on a schema.

Topic link iconTransact-SQL Syntax Conventions

Syntax

DENY permission  [ ,...n ] } ON SCHEMA :: schema_name
    TO database_principal [ ,...n ] 
    [ CASCADE ]
        [ AS denying_principal ]

Arguments

  • permission
    Specifies a permission that can be denied on a schema. For a list of these permissions, see the Remarks section later in this topic.

  • ON SCHEMA :: schema_name
    Specifies the schema on which the permission is being denied. The scope qualifier :: is required.

  • database_principal
    Specifies the principal to which the permission is being denied. database_principal can be one of the following:

    • Database user

    • Database role

    • Application role

    • Database user mapped to a Windows login

    • Database user mapped to a Windows group

    • Database user mapped to a certificate

    • Database user mapped to an asymmetric key

    • Database user not mapped to a server principal

  • CASCADE
    Indicates that the permission being denied is also denied to other principals to which it has been granted by this principal.

  • denying_principal
    Specifies a principal from which the principal executing this query derives its right to deny the permission. denying_principal can be one of the following:

    • Database user

    • Database role

    • Application role

    • Database user mapped to a Windows login

    • Database user mapped to a Windows group

    • Database user mapped to a certificate

    • Database user mapped to an asymmetric key

    • Database user not mapped to a server principal

Remarks

A schema is a database-level securable that is contained by the database that is its parent in the permissions hierarchy. The most specific and limited permissions that can be denied on a schema are listed in the following table, together with the more general permissions that include them by implication.

Schema permission

Implied by schema permission

Implied by database permission

CONTROL

CONTROL

CONTROL

TAKE OWNERSHIP

CONTROL

CONTROL

ALTER

CONTROL

ALTER ANY SCHEMA

EXECUTE

CONTROL

EXECUTE

INSERT

CONTROL

INSERT

DELETE

CONTROL

DELETE

UPDATE

CONTROL

UPDATE

SELECT

CONTROL

SELECT

REFERENCES

CONTROL

REFERENCES

VIEW CHANGE TRACKING

CONTROL

CONTROL

VIEW DEFINITION

CONTROL

VIEW DEFINITION

Permissions

Requires CONTROL permission on the schema. If you are using the AS option, the specified principal must own the schema.