Author Question: In a B-Tree whose top entry contains the values 47 and 88, the middle arrow allows access to all ... (Read 71 times)

luvbio

  • Hero Member
  • *****
  • Posts: 623
In a B-Tree whose top entry contains the values 47 and 88, the middle arrow allows access to all records whose key field values are ________.
 
  A) less than 47
  B) greater than 47 and less than 88
  C) greater than 47 and less than or equal to 88
  D) greater than 88

Question 2

In two-phase locking, all locks are released during the contracting phase.
 
  Indicate whether the statement is true or false



smrerig

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

C

Answer to Question 2

FALSE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

For a complete list of videos, visit our video library