By default, the page size on Linux is 4kb. A typical PostgreSQL instance may allocate many GBs of memory, which will end up with potential performance problems with such a small …

 In this article, we will learn steps needed to perform recovery of User wrong operation like delete/drop/truncate action on the production table without using Restore and Recover command on PRIMARY DATABASE. …

 There are various methods (RMAN, Online datafiles move 12c onwards, ASMCMD, DBMS_FILE_TRANSFER, etc) to achieve migrate databases from Non-ASM to ASM. Here we will use two types of RMAN mix …

List of target upgrade versions from supported source version along with the certificate, data source support.oracle.com. Direct Upgrade Version List: Source DB Version Target DB Version 18.1 19c 12.2.0.2 19c 12.1.0.2 19c …

In the previous blog, we saw Steps to create a Heterogeneous Dataguard between Windows and Linux Click here to read more. In this blog, we are going to perform a clone of Windows Oracle DB …

Heterogenous Dataguard is a best use case, when we need to perform DB migration from Windows to Linux with minimum downtime as the actual downtime comprises only DB switch. As both Windows and Linux are Little …

 💡 While setting up the standby database in Oracle, the archives are not being shipped to the standby and we were continuously getting this alert when queried the V$ARCHIVE_DEST view. …

Make sure that your ORACLE_HOME and ORACLE_SID are correct To see the current values in windows, at the command prompt type echo %ORACLE_HOME% Then echo %ORACLE_SID% If the values are …