This topic contains a solution. Click here to go to the answer

Author Question: When two transactions are being processed against the database at the same time ________. A) they ... (Read 71 times)

tfester

  • Hero Member
  • *****
  • Posts: 534
When two transactions are being processed against the database at the same time ________.
 
  A) they are called concurrent transactions
  B) they are usually interleaved
  C) they always result in a lost update problem
  D) Both A and B are correct

Question 2

Briefly define and discuss what an information system is, the five components that comprise an information system, and what the purpose of an information system is.
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jackie

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

D

Answer to Question 2

A system is a set of components that interact to achieve some purpose or goal, and an information system is a system that has the goal of producing information. An information system has five components: hardware, software, data, processing, and people.




tfester

  • Member
  • Posts: 534
Reply 2 on: Jul 7, 2018
Gracias!


upturnedfurball

  • Member
  • Posts: 334
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

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

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

For a complete list of videos, visit our video library