Author Question: Which of the following is not true about two-phased locking? A) Cannot obtain a new lock once a ... (Read 47 times)

Pineappleeh

  • Hero Member
  • *****
  • Posts: 585
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
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

For a complete list of videos, visit our video library