The granularity of a database item can be chosen to be
A) A whole file
B) A database record
C) The whole database
D) All of the above.
Correct Answer:
Verified
Q7: In transactions, in ACID property A stands
Q8: Assume transaction A holds a shared lock
Q9: A schedule S of n transactions is
Q10: In two-phase locking protocol.
A)All unlocking operations precede
Q11: Transaction timestamp is:
A)Not unique for each transaction
B)Larger
Q13: If the complete execution of the transaction(s)
Q14: Which of the following is not the
Q15: Timestamp can be generated by:
A)Counter
B)Current date/time
C)None of
Q16: Which of the following is the formal
Q17: Who developed normalization process?
A)C.J. Date
B)E.F. Codd
C)Donald Chamberlain
D)Collin
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