How to solve insufficient synonyms permissions in Oracle?

To address the issue of insufficient permissions for Oracle synonyms, you can consider the following methods:

1. Confirm whether the user has permission to access the object corresponding to the synonym. This can be confirmed by checking the user’s roles or permissions. If permission is not granted, the user can request the necessary permission from the database administrator.
2. Verify if the creator of the synonym has access to the corresponding object. If the synonym was created by another user and the current user does not have access to the object, they can request the creator to grant the necessary permissions.
3. Verify that the definition of synonyms is accurate. Make sure the corresponding object names and owners of synonyms are correct. If there are errors in the definition, resolving permission issues can be achieved by modifying the definition of synonyms.
4. If the synonym corresponds to an object in a different database, make sure that the user linking to the database has access to that object. If no access is granted, request the database administrator to provide necessary permissions.
5. If the above methods do not solve the problem, consider using a user with higher permissions to log in and perform the necessary actions. However, use this method cautiously to ensure that the user’s database operations meet security requirements and to avoid the risk of data leakage or damage.