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 »

Oracle 19C Installation on Windows 10

In this blog post we will discuss about the oracle 19c installation on windows server. Here is the latest version of oracle 19c installation steps on the top of windows operating system.... Read more »

ORA-16047: DGID mismatch between destination setting and target database

In our previous blog ,We have seen how to resolve the dataguard ORA- error related to ORA-19573: cannot obtain exclusive enqueue for datafile 1 RM. In this blog, I will explain you... Read more »

Udemy Courses for Oracle DBA

I have created complete oracle database administrator udemy courses for oracle dba and that will surely help you to grow up in oracle dba field. You can enjoy the video and surely... Read more »