26. Backward recovery is used to reverse the changes made by transactions that have aborted, or terminated abnormally.
A. True
B. False
Answer: A
27. A disaster recovery plan does not need to include the shipment of database backups to other sites.
A. True
B. False
Answer: B
28. With concurrent processing involving updates, a database with concurrency control will be compromised due to interference between users.
A. True
B. False
Answer: B
29. Data modeling and database design are key responsibilities of data and data base administration.
A. True
B. False
Answer: A
30. Incorrect data is easy to detect.
A. True
B. False
Answer: B
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A. True
B. False
Answer: A
27. A disaster recovery plan does not need to include the shipment of database backups to other sites.
A. True
B. False
Answer: B
28. With concurrent processing involving updates, a database with concurrency control will be compromised due to interference between users.
A. True
B. False
Answer: B
29. Data modeling and database design are key responsibilities of data and data base administration.
A. True
B. False
Answer: A
30. Incorrect data is easy to detect.
A. True
B. False
Answer: B
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