How do you compile a public synonym?

How do you compile a public synonym?

ALTER SYNONYM

1. Specify PUBLIC if synonym is a public synonym.
2. Specify the schema containing the synonym.
3. Use these clauses to specify whether the synonym becomes an editioned or noneditioned object if editioning is later enabled for the schema object type SYNONYM in schema .
4. Use this clause to compile synonym .

How do I grant synonyms for privileges in Oracle?

Here the script to generate grant select on all the tables and synonyms. select ‘grant select on Admin. ‘ || object_name || ‘ to User;’ from user_objects where object_type in(‘TABLE’,’SYNONYM’); Then you have to create a script to run these grant statements at once or you can use PL/SQL as well.

How do I create a public synonym for a package in Oracle?

To create a PUBLIC synonym, you must have the CREATE PUBLIC SYNONYM system privilege. Specify OR REPLACE to re-create the synonym if it already exists. Use this clause to change the definition of an existing synonym without first dropping it.

Can we rename synonym in Oracle?

You cannot rename a public synonym. Instead, drop the public synonym and then re-create the public synonym with the new name. You cannot rename a type synonym that has any dependent tables or dependent valid user-defined object types.

Where can I find public synonyms in Oracle?

select * from all_synonyms where owner IN (‘SCHEMA_USER1′,’SCHEMA_USER2’); If you are logged in as a particular user, then this will show all the synonymns private to the user. select * from user_synonyms; If you are looking for only public synonyms, this query may be close to what you are looking for.

What is the difference between private synonym and Public synonym in Oracle?

Synonyms can be public or private. A public synonym is accessible to every user in a database and owned by a specified group named PUBLIC while a private synonym is stored a specific schema owned by a specific user and available only to that user.

What is a public synonym in Oracle?

Public synonyms are accessible to all users. Oracle uses a public synonym only when resolving references to an object if the object is not prefaced by a schema and the object is not followed by a database link. If you omit this clause, the synonym is private and is accessible only within its schema.

What is create public synonym?

Any user can create a public synonym – no special permission is required. A public synonym can be referenced by any user in any SQL statement, however, the statement will only be successfully executed if the user has the proper permissions on the database object referenced by the synonym.

How do you know if public is private or synonym?

What is Oracle Public synonym?

What is the difference between public and private synonyms in Oracle?

When resolving references to an object, Oracle Database uses a public synonym only if the object is not prefaced by a schema and is not followed by a database link. If you omit this clause, then the synonym is private and is accessible only within its schema. A private synonym name must be unique in its schema.

Are synonyms a substitute for privileges on database objects?

However, synonyms are not a substitute for privileges on database objects. Appropriate privileges must be granted to a user before the user can use the synonym. You can refer to synonyms in the following DML statements: SELECT, INSERT, UPDATE, DELETE, FLASHBACK TABLE, EXPLAIN PLAN, and LOCK TABLE.

Are public synonyms accessible to all users?

Public synonyms are accessible to all users. However each user must have appropriate privileges on the underlying object in order to use the synonym. When resolving references to an object, Oracle Database uses a public synonym only if the object is not prefaced by a schema and is not followed by a database link.

How to create a public synonym for the employees table?

To create a PUBLIC synonym for the employees table in the schema hr on the remote database, you could issue the following statement: A synonym may have the same name as the underlying object, provided the underlying object is contained in another schema.