Hi, I will continue to explain Oracle database architecture in this article. I’m adding the following image to be memorable. If you didn’t read the first article, I suggest you read the first article.     Read First Article before this. Oracle Database Architecture -1 Controlfile, Datafile, SGA and PGA     Database Buffer Cache: Data … Continue reading Oracle Database Architecture -2 Buffer Cache, Redolog Buffer, Onlinelog and Archivelog