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Learn to create an Oracle database link, as well as how to troubleshoot any potential database link errors. Let we assume we have two databases "ORA1" and "ORA2". We can access the objects of "ORA2" from database "ORA1" using a database link. Prerequisites: A database link is simply a connection from one database instance (let's call it local database) to another database instance (let's call it remote database) to 13 Jan 2010 These relationships need to be represented in the database. Now we have a relationship between the Customers table and the Addresses . to the Nettuts+ RSS Feed for the best web development tutorials on the web.25 Aug 2016 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. CREATE DATABASE LINK _dblink_name_ CONNECT TO _username_ CREATE DATABASE LINK dblink_passport CONNECT TO xxusernamexx View more Tutorials: Oracle Database. 1- What is Database Link? 2- Create Database Link; 3- Access objects via Database Link; 4- Oracle Synonym Question: How to create a database link in Oracle? What are the options for creating database links? Answer: Oracle has invested heavily in distributed Postgres Plus open source database products have exceptional documentation in HTML and PDF formats including tutorials on specific topics.