TweetShareSharePin0 SharesI have just posted a lengthy article about how Oracle uses rowid. It starts with talking about blocks , and how they work. Then I discuss how rowid are used and represented in symbolic dumps. Normal uses such as index linking to a data segment as well as migrated and chained rows are discussed. The document finishes with a brief discussion on how ITL works on the block and the relation between ITL and locking on the original block a row was first […]