Multiple Choice
Consider a transaction that updates each of the 100 employees' salaries in a table (there is one row per employee) under the immediate update mode.The transaction terminates abnormally after 10 rows have been updated in the database (and the normal operations have taken place on the log) .What should the recovery procedure perform to make sure the transaction completes as desired?
A) Redo
B) Redo followed by execution of the transaction again
C) Undo
D) Undo followed by execution of the transaction again
Correct Answer:

Verified
Correct Answer:
Verified
Q6: A(n)_ is an inconsistent retrieval problem which
Q7: Julia has a shared lock on the
Q8: Which of the following will cause a
Q9: Some transactions have tentative actions that can
Q10: Which of the following is an example
Q12: Depending on the DBMS,checkpoints:<br>A) Are performed when
Q13: Any number of users can hold a
Q14: With database locking,a(n)_ lock must be obtained
Q15: The ACID properties are insured by the
Q16: Checkpoints can involve considerable disruption to transaction