How do I re create a database link?
4. How To Recreate Database Links?
- Backup the existing database link.
- Connect as the database link owner.
- Test the database link.
- Drop the database link drop database link DB_LINK_NAME;
- Create the database link create database link DB_LINK_NAME connect USER identified by PASSWORD using ‘connect_string’;
Can we rename DB link in Oracle?
0.4) There are no supported solutions for renaming DB links in 12c without knowing the password. The expdp/impdp does not offer the possibility to change the dblink name (AFAIK). …
What does it mean to create a database link?
A database link is a schema object in one database that enables you to access objects on another database. The other database need not be an Oracle Database system. However, to access non-Oracle systems you must use Oracle Heterogeneous Services. After you have created a database link, you can use it to refer to tables and views on
How to create a public link in Oracle?
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. Oracle Net must be installed on both the local and remote Oracle Databases.
When to use current _ user in database link?
When executing a stored object (such as a procedure, view, or trigger) that initiates a database link, CURRENT_USER is the username that owns the stored object, and not the username that called the object.
How to use a database link in a non Oracle system?
However, to access non-Oracle systems you must use Oracle Heterogeneous Services. After you have created a database link, you can use it in SQL statements to refer to tables, views, and PL/SQL objects in the other database by appending @dblink to the table, view, or PL/SQL object name.