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How do I drop a database link in Oracle?

by Lennon Wade

How do I drop a database link in Oracle?

Use the DROP DATABASE LINK statement to remove a database link from the database. A private database link must be in your own schema. To drop a PUBLIC database link, you must have the DROP PUBLIC DATABASE LINK system privilege.

How do I drop and recreate a DB Link?

4. How To Recreate Database Links?

  1. Backup the existing database link.
  2. Connect as the database link owner.
  3. Test the database link.
  4. Drop the database link drop database link DB_LINK_NAME;
  5. Create the database link create database link DB_LINK_NAME connect USER identified by PASSWORD using ‘connect_string’;

How do I drop a database link in another schema?

You cannot drop a database link in another user’s schema, and you cannot qualify dblink with the name of a schema, because periods are permitted in names of database links. Therefore, Oracle Database interprets the entire name, such as ralph.

How do I find the DDL of a DB Link?

Here is a simple script to extract the DB Links DDL with the encripted password. SET LONG 9000 — to print the complete string SELECT DBMS_METADATA. GET_DDL(‘DB_LINK’,a. db_link,a….Share this:

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What is database link in Oracle 11g?

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. After you have created a database link, you can use it to refer to tables and views on the other database.

How do I grant a database 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@orcl Desktop]$ sqlplus system/oracle SQL> create user abc identified by abc; User created.

How do I create a database link between two Oracle instances?

Oracle CREATE DATABASE LINK statement

  1. First, specify the name of the database link after the CREATE DATABASE LINK keywords.
  2. Second, provide user and password of the remote database after the CONNECT TO and IDENTIFIED BY keywords.
  3. Finally, specify the service name of the remote database.

How do I find db links in my database?

Any user can query USER_DB_LINKS to determine which database links are available to that user. Only those with additional privileges can use the ALL_DB_LINKS or DBA_DB_LINKS view.

Introduction to the Oracle DROP DATABASE LINK statement. The DROP DATABASE LINK statement allows you to drop a database link from the database. Here is the syntax of the DROP DATABASE LINK statement: DROP DATABASE LINK dblink;

Why can’t I drop a link in another user’s schema?

Restriction on Dropping Database Links You cannot drop a database link in another user’s schema, and you cannot qualify dblink with the name of a schema, because periods are permitted in names of database links.

How to remove a database link (dblink) from a database?

In this syntax, you specify the name of the database link (dblink) that you want to remove after the DROP DATABASE LINK keywords. The DROP DATABASE LINK statement can remove a private database link. To remove a public database link, you add the PUBLIC keyword as shown in the following statement: DROP PUBLIC DATABASE LINK dblink;

How do I drop a private database link in SQL?

DROP DATABASE LINK dblink; Code language: SQL (Structured Query Language) (sql) In this syntax, you specify the name of the database link (dblink) that you want to remove after the DROP DATABASE LINK keywords. The DROP DATABASE LINK statement can remove a private database link.