Q1. Explain the Importance of Transaction Control Statements in oracle Database. Give Example to support your answer

Q2. Explain the Importance of commit statement in oracle Database. Give Example to support your answer

Q3. Explain the Importance of rollback statement in oracle Database. Give Example to support your answer

Q4. Multiple Choice Question:

The transaction control that prevents more than one user from updating data in a table is which of the following?

           A) lock

           B) commit

           C) rollback

           D) savepoint