ACtE07 · Chapter 7Data Structures, DBMS & Operating Systems🏛️ Past Licensure QuestionID: 14333387
If an transaction is performed in a database and committed, the changes are taken to the previous state of transaction by
If an transaction is performed in a database and committed, the changes are taken to the previous state of transaction by
Multiple Choice Options
- A
Flashback
- B
Rollback
- C
both flashback and rollback
- D✓ Correct Option
cannot be done
Detailed Technical Solution & Explanation
According to standard engineering principles, for If an transaction is performed in a database and committed, the changes are taken to the previous state of transaction by, the correct choice is cannot be done.
Option Analysis:
•
Option A (Flashback): Incorrect. Does not satisfy the technical condition or specifies an alternate/invalid property.
•
Option B (Rollback): Incorrect. Does not satisfy the technical condition or specifies an alternate/invalid property.
•
Option C (both flashback and rollback): Incorrect. Does not satisfy the technical condition or specifies an alternate/invalid property.
•
Option D (cannot be done): Correct. Valid technical statement directly addressing the question requirement.
Reference: Mock Test 02NEC Licensure Syllabus