create synonym ora-01031 insufficient privileges

Question

I need help understanding what grants/privileges a user needs to CREATE a SYNONYM when it points to another (different) schema object.

When I try the below, I get or

Answer 1

The documentation for the CREATE SYNONYM command includes:

Prerequisites

To create a private synonym in your own schema, you must have the CREATE SYNONYM system privilege.

To create a private synonym in another user's schema, you must have the CREATE ANY SYNONYM system privilege.

To create a PUBLIC synonym, you must have the CREATE PUBLIC SYNONYM system privilege.

You're trying to create a private synonym in READWRITE's own schema, so you have to have to do:

GRANT CREATE SYNONYM TO READWRITE;

The object the synonym is pointing to is in a different schema, but that isn't relevant here.

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If your new account is only going to access objects in the GDACS schema, and particularly if you have a lot of objects you want to grant access to, then as an alternative to having to create synonyms for everything you could alter the new user's current_schema in each session - possibly via a logon trigger.