How do I copy synonyms from one database to another?

How do I copy synonyms from one database to another?

In pseudocode what you want to do is:

1. Create a temporary table to store the synonym name and base_object_name.
2. Select all of the incorrect synonyms from sys. synonyms into the temporary table.
3. Drop the incorrect synonyms.
4. Construct the statement to replicate the synonym but changing PROD2 to PROD2_TEST.
5. Run that statement.

Can we insert data into synonym in Oracle?

A synonym is not a “real” object, but simply a pointer to an object; so, whatever you do on a synonym, you are doing on the referred object. SQL> create synonym my_synonym for sys. sys_table; Synonym created. SQL> insert into my_synonym values (1); 1 row created.

How do I create a synonym for all tables in schema in Oracle?

Introduction to Oracle CREATE SYNONYM statement

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 purpose of schema in SQL?

A SQL schema is a useful database concept. It helps us to create a logical grouping of objects such as tables, stored procedures, and functions.

How are synonyms defined in a schema bound function?

For more information about schema-bound functions, see Create User-defined Functions (Database Engine). The sys.synonyms catalog view contains an entry for each synonym in a given database. This catalog view exposes synonym metadata such as the name of the synonym and the name of the base object.

Can a default schema be used as a synonym?

If you have a default schema that you do not own and want to create a synonym, you must qualify the synonym name with the name of a schema that you do own.

How to access objects in an external schema?

1. Create roles in external schema. The roles are used to control access to the objects we want to expose to the HDI container. Technically we could also use object privileges, or allow access to the whole external schema.

How are synonyms created in schema EPM _ Dev?

In schema EPM_DEV, created by using the repo mentioned above, the roles are created using plain SQL . The roles could also be created using design-time role definitions. Typically there will be two roles created for synonym access: 1. A role with grant option.