How do I find the db link in Oracle?

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How do I find the db link in Oracle?

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.

What is the use of database link in Oracle?

A database link is a pointer that defines a one-way communication path from an Oracle Database server to another database server. The link pointer is actually defined as an entry in a data dictionary table. To access the link, you must be connected to the local database that contains the data dictionary entry.

How do I create a database link between Oracle and SQL server?

Database link from Oracle to SQL Server

  1. Install Oracle ODBC drivers on the server (your local Oracle database) that will access the remote SQL Server database using the database link.
  2. Setup the ODBC connection on the local Oracle database using the Windows ODBC Data Source Administrator.

How do I change a db link?

We can use alter command to change the password used on dblink. Execute following command as user sys. CONNECT TO dilli IDENTIFIED BY oracle_1; If you need to modify username or hostname then you need to re-create the dblink.

Can we rename DB link in Oracle?

There are no supported solutions for renaming DB links in 12c without knowing the password.

How do you get DDL of a table in SQL Server?

SQL Server Management Studio ( SSMS) does provide the feature to script single or all objects. To generate DDL script for single object, You can right click on the object and then choose the statement you like to create.

How do you create a data 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.