ORA 0. 20. 19 Connection Description for Remote Database Not Found. Can you log into the destination database and execute the query locally on that db If you cant do this, well nothing else is going to work properly. Make sure you can ping the remote machine ping remote host Make sure you can successfully execute tnsping ora. Make sure you can connect to the remote database from the local machine with sqlplus, e. Check the DDL. select from alldblinks. Make sure access to the destination table on the destination database is granted to the user, not through a role. To learn more about these techniques, see the book Advanced Oracle Utilities The Definitive Reference. You can buy it directly from the publisher and get. Pentax Camera Utility 4. Tomtom Europe 1.9 Ipa. SQL Server is gaining popularity and there are many shops that I know of that have this database system within their walls. Learn how to make a connection from Oracle. Establishing a Network and Testing the Connection. Once you have completed configuring the network, you should make a connection and test each component to ensure. Do the select from allobjects were objectname tab on the destination database as well. Try it with dual, e. There are many more rare problems which can make a db link fail. Before we go there, make sure it is not something very basic. IASCE.png' alt='Oracle Tnsping Windows 7' title='Oracle Tnsping Windows 7' />Hello Everyone, I am trying to access a schema from another database using db links. I am able to tnsping that machine without.