Explanation:Commit is used to store all the transactions. 10. ____ means that the data used during the execution of a transaction cannot be used by a second transaction until the first one is completed.
A. Consistency
B. Atomicity
C. Durability
D. Isolation
Answer:A
Explanation:Commit is used to store all the transactions. 10. ____ means that the data used during the execution of a transaction cannot be used by a second transaction until the first one is completed.
A. Consistency B. Atomicity C. Durability D. Isolation
Explanation:Even though multiple transactions may execute concurrently, the system guarantees that, for every pair of transactions Ti and Tj , it appears to Ti that either Tj finished execution before Ti started or Tj started execution after Ti finished. Sanfoundry Global Education & Learning Series – Database Management System.