« previous next »

Author Question: Which of the following is not true about two-phased locking? A) Cannot obtain a new lock once a ... (Read 19 times)

Pineappleeh

  • Hero Member
  • *****
  • Posts: 585
on: Jul 7, 2018
Which of the following is not true about two-phased locking?
 
  A) Cannot obtain a new lock once a lock has been released
  B) Uses only shared locks
  C) Has a growing phase
  D) Has a shrinking phase

Question 2

Referential integrity constraints are implemented in SQL using the ________ syntax.
 
  A) PRIMARY KEY
  B) FOREIGN KEY
  C) DEFAULT
  D) UNIQUE


Amiracle

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 7, 2018
Answer to Question 1

B

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

True-color view of Mars seen through NASA's Hubble Space Telescope in 1999 True-color view of Mars seen through NASA's Hubble Space Telescope in 1999
Injecting an IV push (bolus) medication; A, into a peripheral saline lock Injecting an IV push (bolus) medication; A, into a peripheral saline lock
True Friendship True Friendship
a) Avoid locking your elbows. b) To avoid locking your elbows, keep your elbows facing sideways. a) Avoid locking your elbows. b) To avoid locking your elbows, keep your elbows facing sideways.
Three metabolic pathways that muscles use to obtain the ATP that fuels their contraction. Three metabolic pathways that muscles use to obtain the ATP that fuels their contraction.
Video: Oxygen transport - methods and oxyhemoglobin

For a complete list of videos, visit our video library