Revoke a Certificate

You can revoke your choice for any tax do this by attaching a statement that you are revoking one or more previously made choices

Use the REVOKE statement to remove privileges from a specific user or role, or from all users, to perform actions on database objects

revoke When you revoke privileges on a table, Greenplum Database revokes the corresponding column privileges on each column of the table, as

revoke To revoke some privilege you can use a privilege of a wider scope than you plan to revoke For example, if a user has the SELECT privilege, administrator