How do I find the DDL of a DB Link?

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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How do I get a list of DB links?

2 Answers

1. DBA_DB_LINKS – All DB links defined in the database.
2. ALL_DB_LINKS – All DB links the current user has access to.
3. USER_DB_LINKS – All DB links owned by current user.

What is an Oracle Database link?

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 make my database link public?

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 DB link in SQL Server?

A database link is a schema object in one database that enables you to access objects on another database. In SQL statements, you can refer to a table or view on the other database by appending @dblink to the table or view name. You can query a table or view on the other database with the SELECT statement.

How do I create a database link from Oracle to SQL Server?

Making a Connection from Oracle to SQL Server

1. Define a Data Source Name (DSN) for SQL Server.
2. Create a Heterogeneous Services Initialization File.
3. Alter your listener.
4. Alter your tnsnames.
5. Start the new Listener.
6. Validate the connection to your DSN.
7. Create a Database Link within Your Oracle Database.
8. Select some data.

How do I 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 create a public 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 Net must be installed on both the local and remote Oracle databases.

How do I create a database link in Oracle?

Use the CREATE DATABASE LINK statement 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.

What is an Open Database Link view?

Lists all open database links in your session along with their corresponding instances. This view is useful in an Oracle Real Application Clusters configuration. These data dictionary views contain the same basic information about database links, with one exception:

How do I link two databases in SQL Server?

After you have created a database link, you can use it to refer to tables and views on the other database. In SQL statements, you can refer to a table or view on the other database by appending @dblink to the table or view name. You can query a table or view on the other database with the SELECT statement.

What is linklists in SQL Server?

Lists all open database links in your session, that is, all database links with the IN_TRANSACTION column set to YES. Lists all open database links in your session along with their corresponding instances.