First, you should request two 5 GB disks from new storage. These 2 disks must be visible to all servers included in the windows …

  We find the minimum value in a column in a dataset, with the MIN Function and we find the maximum value  in a column …

We can display the cause of an error that we received and troubleshooting suggestions, with the OERR Utility. It is located under the $ORACLE_HOME/bin directory. …

In this article I will show you how to validate windows cluster configuration step by step with screen shots. You can perform validate configuration to …

  The COUNT_BIG function performs the same function as the COUNT function. The only difference is that the COUNT_BIG function returns the BIGINT value while …

  The database instances can be closed with an “ASMB terminating” error due to a bug. The error codes are ORA-15064 and ORA-03113. Possible errors …

  Sometimes we need to move the database from one instance to another instance. But we don’t dare to erase our old database right away. …

  We find the number of records in a data set with the Count function. For example, we can find the number of records in …

  Rman creates a control file snapshot file or a consistent control file image in the control file backups. While a rman process taking a …

What is DeadLock? Although it is like a movie star, it causes serious problems in applications. If we want to briefly summarize DeadLock, two or …