How do you give a select grant to synonyms in Oracle?

Posted on by David Darling

How do you give a select grant to synonyms in Oracle?

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.

What is the difference between Grant and synonym in Oracle?

When you grant object privileges on a synonym, you are granting privileges on the underlying object, and the synonym only acts as an alias in the GRANT statement.

How do you grant select a table?

To grant the SELECT object privilege on a table to a user or role, you use the following statement:

  1. GRANT SELECT ON table_name TO {user | role};
  2. CREATE USER dw IDENTIFIED BY abcd1234; GRANT CREATE SESSION TO dw;
  3. GRANT SELECT ON customers TO dw;
  4. SELECT COUNT(*) FROM ot.customers;
  5. COUNT(*) ———- 319.

How do I create a synonym for a table in Oracle?

Oracle CREATE SYNONYM

  1. First, specify the name of the synonym and its schema.
  2. Second, specify the object for which you want to create the synonym after the FOR keyword.
  3. Third, use the OR REPLACE option if you want to re-create the synonym if it already exists.

What is the advantage of synonym in Oracle?

Advantages of Using Synonyms You can create a synonym for an object in a schema, and use the synonym in your SQL statement to access the object. If you need to access the underlying object in a different schema, modify the definition of the synonym to point to the object in a different schema.

What is table 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. Synonyms provide both data independence and location transparency.

What is SELECT any table privilege in Oracle?

SELECT ANY TABLE is a system privilege that allows the grantee to: Query tables, views, or materialized views in any schema except SYS . Obtain row locks using a SELECT FOR UPDATE . When you grant that it is a standalone single privilege, visible in dba_sys_privs .

How do I create a synonym in a table in SQL?

Use SQL Server Management Studio

  1. In Object Explorer, expand the database where you want to create your new view.
  2. Right-click the Synonyms folder, then select New Synonym….
  3. In the Add Synonym dialog box, enter the following information. Synonym name. Type the new name you will use for this object. Synonym schema.

What is difference between table and synonym in Oracle?

A table resides physically in the database. A view is not a part of the database’s physical representation. It is precompiled, so that data retrieval behaves faster and also provides a secure accessibility mechanism. A synonym is an alternate name assigned to a table, view, sequence or program unit.

How do I find the synonym of a table in SQL?

Connect to your SQL instance, expand the database, and navigate to the Synonyms folder. Right-click on it and choose New Synonym. Enter the required details for the Synonym name, Synonym schema, Database Name, Object schema, Object Type, and name.

How do I grant permission to create a table in Oracle?

How to Create a User and Grant Permissions in Oracle

  1. CREATE USER books_admin IDENTIFIED BY MyPassword;
  2. GRANT CONNECT TO books_admin;
  3. GRANT CONNECT, RESOURCE, DBA TO books_admin;
  4. GRANT CREATE SESSION GRANT ANY PRIVILEGE TO books_admin;
  5. GRANT UNLIMITED TABLESPACE TO books_admin;

What is difference between read and select privilege in Oracle?

Just as the SELECT object privilege has an associated SELECT ANY TABLE system privilege, the READ object privilege has an associated READ ANY TABLE system privilege. The READ ANY TABLE system privilege allows a user to query tables, views, or materialized views in any schema in the database.

How to generate grant select on all tables and synonyms?

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 to get access to a synonym table?

Well, a synonym, even a public synonym, does not allow access to the table. You need to explicitly grant select privileges to users or roles that you want to access the table. You have two choices, first: Now, bob will be able to see scott’s emp table using only emp.

How to grant synonyms to other users?

You would have to grant ANY – even if temporarily, e.g. during the creation/modification of the main A schema, to reduce the security impact – and create all the synonyms in the other B user’s schema while you had the privileges. Otherwise user B would have to create the synonyms itself; or user A could create public synonyms.

How to grant select on admin?

BEGIN FOR s IN (SELECT * FROM user_objects where object_type in(‘TABLE’,’SYNONYM’)) LOOP EXECUTE IMMEDIATE ‘grant select on admin.’ || s.object_name || ‘ to user’; END LOOP; END; Share Improve this answer Follow edited Mar 7 ’16 at 9:06