How to resolve the issue of not being able to find a synonym created by Oracle?

2 years ago
Noah Thompson
2 minutes

If you have created a synonym in Oracle but cannot find it when querying, consider the following solution:

  1. Check if the synonym creation statements are correct: make sure the synonym’s name, schema, and target object are accurate. You can use the following statement to query the definition of a synonym:
  2. Retrieve all entries from the table “all_synonyms” where the synonym_name matches ‘synonym_name’.
  3. Check if the user used in the query has permission to access synonyms: Verify that the user used in the query has permission to access synonyms. You can use the following statement to query the user’s permissions:
  4. Retrieve all the records from the table user_sys_privs where the privilege is ‘CREATE SYNONYM’.
  5. If you do not have permission, you can use the following statement on authorized users to grant the corresponding permissions.
  6. Give the username permission to create synonyms.
  7. Check to see if the username used in the query is correct: confirm if the username used in the query matches the one specified when the synonym was created. You can use the following statement to query the current username:
  8. Return the user from the dual table.
  9. If the usernames are not consistent, you can use the fully qualified synonym name in the query, for example:
  10. Retrieve all data from the synonym_name table in the owner schema.
  11. Check if the object exists or is spelled correctly: Verify if the synonym refers to an existing object or is spelled correctly. You can use the following statement to query if the object exists:
  12. Retrieve all objects from the database where the object name matches ‘object_name’ and the owner is ‘owner’.
  13. If the object does not exist or is misspelled, you can try recreating a synonym or fixing the object name.
  14. Check the database connection to ensure it is functioning properly. If none of the previous solutions have fixed the issue, it may be due to a problem with the database connection. Make sure the database connection is stable and can successfully execute queries.

If the above solutions still cannot solve the problem, it is recommended to contact the database administrator or Oracle technical support for further troubleshooting and resolution.

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