ora-01722 invalid number in oracle

In this blog, We will try to understand how to resolve the ORA-01722 error. Problem Statement ora-01722 invalid number in oracle Solution First describe the table and check for data types by... Read more »

ora-03113 end-of-file on communication channel

This is common error which will occur on oracle database. ora-03113 end-of-file on communication channel Following are the reason to get the error Database goes down abruptly Server goes down and there... Read more »

ORA-12154: TNS could not resolve service name specified

Sometimes you will see the error message related to tns. Error message will be like this. ORA-12154: TNS could not resolve service name specified Solutions Check if your listener is up and... Read more »