Explanation:After a transaction completes successfully, the changes it has made to the database persist, even if there are system failures. 7. __________ states that only valid data will be written to the database.
A. Consistency
B. Atomicity
C. Durability
D. Isolation
Answer:A
Explanation:After a transaction completes successfully, the changes it has made to the database persist, even if there are system failures. 7. __________ states that only valid data will be written to the database.
A. Consistency B. Atomicity C. Durability D. Isolation