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How to revoke a grant in PostgreSQL documentation?

How to revoke a grant in PostgreSQL documentation?

Instead, user A could revoke the grant option from user B and use the CASCADE option so that the privilege is in turn revoked from user C. For another example, if both A and B have granted the same privilege to C, A can revoke his own grant but not B’s grant, so C will still effectively have the privilege.

How to revoke all privileges in PostgreSQL product table?

If you wanted to revoke all permissions on a table for a user named techonthenet, you could use the ALL keyword as follows: If you had granted SELECT privileges to * (ie: all users) on the products table and you wanted to revoke these privileges, you could run the following REVOKE statement:

How to grant privileges to users in PostgreSQL?

The second specification, =U/postgres, corresponds to the GRANT command we just invoked as user postgres granting usage privilege to all users (where, recall, the empty string left of the equal sign implies “all users”). A specific role, named “user1” for example, can be granted both create and usage privileges to the private schema with:

When to revoke an object in PostgreSQL?

REVOKE can also be done by a role that is not the owner of the affected object, but is a member of the role that owns the object, or is a member of a role that holds privileges WITH GRANT OPTION on the object.

What does revoke public mean in PostgreSQL documentation?

The REVOKE command revokes previously granted privileges from one or more roles. The key word PUBLIC refers to the implicitly defined group of all roles. See the description of the GRANT command for the meaning of the privilege types.

What happens when Grant Option is revoked in PostgreSQL?

If GRANT OPTION FOR is specified, only the grant option for the privilege is revoked, not the privilege itself. Otherwise, both the privilege and the grant option are revoked. If a user holds a privilege with grant option and has granted it to other users then the privileges held by those other users are called dependent privileges.

How to grant privileges on object in PostgreSQL?

The syntax for granting privileges on a table in PostgreSQL is: GRANT privileges ON object TO user;

Is the grant key word optional in PostgreSQL?

Grant all of the privileges available for the object’s type. The PRIVILEGES key word is optional in PostgreSQL, though it is required by strict SQL. The FUNCTION syntax works for plain functions, aggregate functions, and window functions, but not for procedures; use PROCEDURE for those.