How do I create a public synonym in Oracle 11g?
Oracle CREATE SYNONYM
- First, specify the name of the synonym and its schema.
- Second, specify the object for which you want to create the synonym after the FOR keyword.
- Third, use the OR REPLACE option if you want to re-create the synonym if it already exists.
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.
Can we create synonym for function in Oracle?
Remember though that the user must first have the appropriate privileges to the object to use the synonym. The appropriate schema. If this phrase is omitted, Oracle assumes that you are referring to your own schema. The name of the object for which you are creating the synonym.
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.
What is Oracle Public synonym?
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. A private synonym name must be unique in its schema.
How do you create a Dblink synonym?
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.
What is the difference between public and private synonym?
A public synonym is owned by the special user group named PUBLIC and is accessible to every user in a database. A private synonym is contained in the schema of a specific user and available only to the user and to grantees for the underlying object. Synonyms themselves are not securable.
How do I create a synonym for a Dblink in Oracle?
How do I create a public database link?
To create a private database link, you must have the CREATE DATABASE LINK system privilege. To create a public database link, you must have the CREATE PUBLIC DATABASE LINK system privilege. Also, you must have the CREATE SESSION system privilege on the remote Oracle database.
What is public db Link?
A public database link is one that can be used by any user. A private database link can be used only by the database link’s owner. Specification of the PUBLIC option creates a public database link. If omitted, a private database link is created.
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.
How to create a new synonym in Oracle?
Here is the basic syntax of creating a new synonym: First, specify the name of the synonym and its schema. If you skip the schema, Oracle will create the synonym in your own schema.
How do I create a public synonym?
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.
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.