DBA Tips Archive for Oracle

  


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by Michael New, MichaelNew@earthlink.net, Gradation LLC

Prior to Oracle9i Release 2 (9.2.0), an object privilege could only be granted by the object owner or a user already holding the object privilege with the GRANT OPTION. This made granting object privileges a difficult task. For example, if an application required object privileges to be granted from multiple schemas, it would require one connect per schema. This would require the application's configuration script to know the passwords of multiple schema owners. This can be difficult to achieve in a secure manner.

New in Oracle9i R2 is the ability for privileged users to grant and revoke privileges on any objects in anybody's schema to any other user on behalf of the object's owner. A new system privilege, GRANT ANY OBJECT PRIVILEGE was introduced to control the delegation of an owner's right to grant and revoke object privileges.

By default, the SYS, SYSDBA and DBA role have this system privilege with the ADMIN option, allowing them to grant this privilege to other users.



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