Explain plan in Oracle is the sequence of operations for a statement that is chosen by the Oracle optimizer. This is the flow of execution of a statement. The execution ...
Before explaining Oracle table access by index rowid, I would like to explain a bit about what is rowid and how it is used in the Oracle database. The table ...
What is Full Table Scan in Oracle? Simply it reads all the rows in the table. If you have a Where condition, then filter records according to that. Normally oracle ...