GRANT

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GRANT statement controls each role or user's SQL privileges for interacting with specific databases, schemas, tables, or user-defined types. For privileges required by specific statements, see the documentation for the respective SQL statement.

You can use GRANT to directly grant privileges to a role or user, or you can grant membership to an existing role, which grants that role's privileges to the grantee.

Syntax

Parameters

Parameter	Description
`ALL` `ALL PRIVILEGES`	Grant all privileges.
`targets`	A comma-separated list of database, schema, table, or user-defined type names, followed by the name of the object (e.g., `DATABASE mydatabase`). Note: To grant privileges on all tables in a database or schema, you can use `GRANT ... ON TABLE *`. For an example, see Grant privileges on all tables in a database or schema.
`name_list`	A comma-separated list of users and/or roles to whom to grant privileges.
`privilege_list ON ...`	Specify a comma-separated list of privileges to grant.
`privilege_list TO ...`	Specify a comma-separated list of roles whose membership to grant.
`WITH ADMIN OPTION`	Designate the user as a role admin. Role admins can grant or revoke membership for the specified role.

Supported privileges

Roles and users can be granted the following privileges:

Privilege	Levels
`ALL`	Database, Schema, Table, Type
`CREATE`	Database, Schema, Table
`DROP`	Database, Table
`GRANT`	Database, Schema, Table, Type
`CONNECT`	Database
`SELECT`	Table, Database
`INSERT`	Table
`DELETE`	Table
`UPDATE`	Table
`USAGE`	Schema, Type
`ZONECONFIG`	Database, Table

Required privileges

To grant privileges, the user granting the privileges must also have the privilege being granted on the target database or tables. For example, a user granting the SELECT privilege on a table to another user must have the GRANT and SELECT privileges on that table.
To grant roles, the user granting role membership must be a role admin (i.e., members with the WITH ADMIN OPTION) or a member of the admin role. To grant membership to the admin role, the user must have WITH ADMIN OPTION on the admin role.

Details

Granting privileges

When a role or user is granted privileges for a database, new tables created in the database will inherit the privileges, but the privileges can then be changed.

Note:

The user does not get privileges to existing tables in the database. To grant privileges to a user on all existing tables in a database, see Grant privileges on all tables in a database
When a role or user is granted privileges for a table, the privileges are limited to the table.
The root user automatically belongs to the admin role and has the ALL privilege for new databases.
For privileges required by specific statements, see the documentation for the respective SQL statement.

Granting roles

Users and roles can be members of roles.
The root user is automatically created as an admin role and assigned the ALL privilege for new databases.
All privileges of a role are inherited by all its members.
Membership loops are not allowed (direct: A is a member of B is a member of A or indirect: A is a member of B is a member of C ... is a member of A).

Examples

Setup

The following examples use MovR, a fictional vehicle-sharing application, to demonstrate CockroachDB SQL statements. For more information about the MovR example application and dataset, see MovR: A Global Vehicle-sharing App.

To follow along, run cockroach demo to start a temporary, in-memory cluster with the movr dataset preloaded:

$ cockroach demo

Grant privileges on databases

> CREATE USER max WITH PASSWORD roach;

> GRANT ALL ON DATABASE movr TO max;

> SHOW GRANTS ON DATABASE movr;

  database_name | grantee | privilege_type
----------------+---------+-----------------
  movr          | admin   | ALL
  movr          | max     | ALL
  movr          | root    | ALL
(3 rows)

Grant privileges on specific tables in a database

> GRANT DELETE ON TABLE rides TO max;

> SHOW GRANTS ON TABLE rides;

  database_name | schema_name | table_name | grantee | privilege_type
----------------+-------------+------------+---------+-----------------
  movr          | public      | rides      | admin   | ALL
  movr          | public      | rides      | max     | DELETE
  movr          | public      | rides      | root    | ALL
(3 rows)

Grant privileges on all tables in a database or schema

> GRANT SELECT ON TABLE movr.public.* TO max;

> SHOW GRANTS ON TABLE movr.public.*;

  database_name | schema_name |         table_name         | grantee | privilege_type
----------------+-------------+----------------------------+---------+-----------------
  movr          | public      | promo_codes                | admin   | ALL
  movr          | public      | promo_codes                | max     | SELECT
  movr          | public      | promo_codes                | root    | ALL
  movr          | public      | rides                      | admin   | ALL
  movr          | public      | rides                      | max     | DELETE
  movr          | public      | rides                      | max     | SELECT
  movr          | public      | rides                      | root    | ALL
  movr          | public      | user_promo_codes           | admin   | ALL
  movr          | public      | user_promo_codes           | max     | SELECT
  movr          | public      | user_promo_codes           | root    | ALL
  movr          | public      | users                      | admin   | ALL
  movr          | public      | users                      | max     | SELECT
  movr          | public      | users                      | root    | ALL
  movr          | public      | vehicle_location_histories | admin   | ALL
  movr          | public      | vehicle_location_histories | max     | SELECT
  movr          | public      | vehicle_location_histories | root    | ALL
  movr          | public      | vehicles                   | admin   | ALL
  movr          | public      | vehicles                   | max     | SELECT
  movr          | public      | vehicles                   | root    | ALL
(19 rows)

Make a table readable to every user in the system

> GRANT SELECT ON TABLE vehicles TO public;

> SHOW GRANTS ON TABLE vehicles;

  database_name | schema_name | table_name | grantee | privilege_type
----------------+-------------+------------+---------+-----------------
  movr          | public      | vehicles   | admin   | ALL
  movr          | public      | vehicles   | max     | SELECT
  movr          | public      | vehicles   | public  | SELECT
  movr          | public      | vehicles   | root    | ALL
(4 rows)

Grant privileges on schemas

> CREATE SCHEMA cockroach_labs;

> GRANT ALL ON SCHEMA cockroach_labs TO max;

> SHOW GRANTS ON SCHEMA cockroach_labs;

  database_name |  schema_name   | grantee | privilege_type
----------------+----------------+---------+-----------------
  movr          | cockroach_labs | admin   | ALL
  movr          | cockroach_labs | max     | ALL
  movr          | cockroach_labs | root    | ALL
(3 rows)

Grant privileges on user-defined types

> CREATE TYPE status AS ENUM ('available', 'unavailable');

> GRANT ALL ON TYPE status TO max;

> SHOW GRANTS ON TYPE status;

  database_name | schema_name | type_name | grantee | privilege_type
----------------+-------------+-----------+---------+-----------------
  movr          | public      | status    | admin   | ALL
  movr          | public      | status    | demo    | ALL
  movr          | public      | status    | max     | ALL
  movr          | public      | status    | public  | USAGE
  movr          | public      | status    | root    | ALL
(5 rows)

Grant the privilege to manage the replication zones for a database or table

> GRANT ZONECONFIG ON TABLE rides TO max;

The user max can then use the CONFIGURE ZONE statement to add, modify, reset, or remove replication zones for the table rides.

Grant role membership

> CREATE ROLE developer WITH CREATEDB;

> CREATE USER abbey WITH PASSWORD lincoln;

> GRANT developer TO abbey;

> SHOW GRANTS ON ROLE developer;

  role_name | member | is_admin
------------+--------+-----------
  developer | abbey  |  false
(1 row)

Grant the admin option

> GRANT developer TO abbey WITH ADMIN OPTION;

> SHOW GRANTS ON ROLE developer;

  role_name | member | is_admin
------------+--------+-----------
  developer | abbey  |   true
(1 row)

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GRANT

Syntax

Parameters

Supported privileges

Required privileges

Details

Granting privileges

Granting roles

Examples

Setup

Grant privileges on databases

Grant privileges on specific tables in a database

Grant privileges on all tables in a database or schema

Make a table readable to every user in the system

Grant privileges on schemas

Grant privileges on user-defined types

Grant the privilege to manage the replication zones for a database or table

Grant role membership

Grant the admin option

See also

Tell us about your experience

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GRANT

Syntax

Parameters

Supported privileges

Required privileges

Details

Granting privileges

Granting roles

Examples

Setup

Grant privileges on databases

Grant privileges on specific tables in a database

Grant privileges on all tables in a database or schema

Make a table readable to every user in the system

Grant privileges on schemas

Grant privileges on user-defined types

Grant the privilege to manage the replication zones for a database or table

Grant role membership

Grant the admin option

See also

Tell us about your experience

Select the problem area

Thank you for your feedback!

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