Oracle transaction interview questions and answers

Steps in Processing SQL Statements - Prepare statement, Bind placeholders, Execute statement, Describe select-list items, Define output variables, Fetch and process data..
A transaction contains one or more SQL statements, It is an atomic unit...
What are transaction isolation levels? - If row locks are obtained by a certain transaction, then any other transaction that contains DML needs to wait......
What are the uses of Rollback Segment? - Rollback segments undo changes when a transaction is rolled back ....
Explain how to start a new transaction in Oracle - ...
Explain how to end the current transaction in Oracle - ...