How do I grant a public synonym privilege in Oracle?
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.
How do I create a public synonym 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.
Who can create or drop 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 I create a Dblink synonym in Oracle?
Use the CREATE SYNONYM statement to create a synonym, which is an alternative name for a table, view, sequence, procedure, stored function, package, materialized view, Java class schema object, user-defined object type, or another synonym.
How do I create a synonym privilege in Oracle?
The syntax for the GRANT SYNONYM command is: GRANT [CREATE] SYNONYM TO user_or_group; GRANT ALTER, DROP ON synonym_name TO user_or_group; You revoke privileges to create, alter, and drop synonyms with the REVOKE SYNONYM command.
Can we create view on synonym in Oracle?
You can create a synonym for a table or a view that doesn’t exist, but the target table or view must be present before the synonym can be used. Synonyms share the same namespace as tables or views. You cannot create a synonym with the same name as a table that already exists in the same schema.
Who can grant system privileges in SQL?
Only two types of users can grant system privileges to other users or revoke such privileges from them:
- Users who have been granted a specific system privilege with the ADMIN OPTION.
- Users with the system privilege GRANT ANY PRIVILEGE.
What is 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.
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 are the two reasons to create synonyms?
You want to work on your own tables. E. You want to use another schema’s tables.
How do you grant access synonym?
“The team is famously reluctant to grant access to outsiders, but he agreed.”…What is another word for grant access to?
make available | provide |
---|---|
liberate | offer |
proffer | empty |
make space for | allow |
relinquish | grant |
How do I grant system privileges to a user in Oracle?
Granting a System Privilege to a User: Example To grant the CREATE SESSION system privilege to the sample user hr, allowing hr to log on to Oracle Database, issue the following statement: The dw_manager privilege domain now contains the system privileges related to materialized views.
How do I grant privileges on a synonym in SQL?
If you grant to a user a privilege on a synonym, then the user can use either the synonym name or the base object name in the SQL statement that exercises the privilege. The following directory privileges provide secured access to the files stored in the operating system directory to which the directory object serves as a pointer.
When to use a public synonym in Oracle?
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.
What is Grant and revoke privileges in Oracle?
Grant and Revoke Privileges in Oracle There are two Data Control Language Statements (Grant and Revoke) in Oracle database that are used to grant privileges on tables, views, sequences, synonyms, procedures to other users or roles. GRANT is used to grant privileges to Users or Roles. REVOKE is used to take back privileges from Users or Roles.