Describes how to create a database link

Source: Internet
Author: User
Create Table vendor as select * From gyda001 @ qianji

This indicates that there is a @ symbol next to the statement. This is database links, which enables you to use data from another database in one database.

First, assume that you want to use the tnsnames of the dblink database server. the ora file contains the target_db entry, including the server address, port, and service name. The connection is successful through sqlplus user_name @ target_db.

Run the following statement to create a dblink named dblink_name.

Create public database link dblink_name
Connect to user_name
Identified by password using 'target _ db ';

Then you can access the table of user_name on target_db through Table @ dblink_name.

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.