How do I create a database link in Oracle SQL Developer?

How do I create a database link in Oracle SQL Developer?

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 get all 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.

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.

How to create a dblink in a local database?

My local DB is 11.2.0.3. I want to create a DBLINK in the local database to the remote database. Then, when I try to create a database link in my local database, since global_names parameter is set to true, oracle appends the local domain name to the database link name

How to create a private database link in Oracle?

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. Oracle Net must be installed on both the local

Can a database link be used 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 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.

Where is the create database link statement in Oracle?

Typically, the tnsnames.ora is located in the directory /NETWORK/ADMIN/ under ORACLE_HOME: Next, use the CREATE DATABASE LINK statement to create a new private database link that connects to the SALES database via bob ‘s account: Then, issue the SELECT statement to query data from the customers table on the SALES database: