The following is a _____ loop:for (i = 0; i < 1000; i++) sum = sum + i;
A. linear
B. logarithmic
C. quadratic
D. dependent quadratic
Answer: A
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The second step of the sharp checkpoint recovery procedure is as follows: The log is scanned forward from the checkpoint. The after-images in all update records are used to update the corresponding items in the database. Assuming a locking concurrency control in which locks are held until commit time, show that the updates can be performed in either of the following orders:
a. As each update record is encountered in the forward scan, the corresponding database update is performed (even though the update records for different transactions are interleaved in the log). b. During the forward scan, the update records for each transaction are saved in volatile memory, and the database updates for each transaction are all done at once when the commit record for that transaction is encountered during the forward scan.
If you are in ____________________ mode, the drawing object you click remains bright, while the rest of the objects on the stage are dimmed, as shown in the accompanying figure.
Fill in the blank(s) with the appropriate word(s).
Which of the following does not comply with the preferred way of using the SUM function?
A) =SUM(A4/A11 ) B) =SUM(A4:A11, B9:E11) C) =SUM(A4, B8, D14 ) D) =SUM(A4:A11)
To automatically create a table of figures, all figures must have __________.
Fill in the blank(s) with the appropriate word(s).