Database - Managing Multiuser Databases

Exercise : Managing Multiuser Databases - True or False
11.
Two transactions that run concurrently and generate results that are consistent with the results that would have occurred if they had run separately are referred to as serializable transactions.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
The lost update problem is when User A reads data that have been processed by a portion of a transaction from User B.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

13.
The transaction log contains a copy of every database record (or page) after it has changed. These records are called before images.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
Database administration refers to a function that applies to the entire organization.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
Locks placed by command are implicit locks.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.