Multiple Choice
4GL has the following components inbuilt in it:
A) Query languages
B) Report generators
C) Spreadsheets
D) All of these.
Correct Answer:
Verified
Correct Answer:
Verified
Q11: In two-phase locking protocol.<br>A)All unlocking operations precede
Q12: An on-line commercial site such as Amazon.com
Q13: Which of the following is true?<br>A)Normalized data
Q14: Who developed normalization process?<br>A)C.J. Date<br>B)E.F. Codd<br>C)Donald Chamberlain<br>D)Collin
Q15: VDL is used to specify:<br>A)Internal schema<br>B)External schema<br>C)Conceptual
Q17: A schedule S of n transactions is
Q18: Timestamp can be generated by:<br>A)Counter<br>B)Current date/time<br>C)None of
Q19: Because it contains a description of its
Q20: An attribute of one table matching the
Q21: The airline reservation system, the enables are