This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: When two transactions are being processed against the database at the same time ________. A) they ... (Read 66 times)

tfester

  • Hero Member
  • *****
  • Posts: 534
on: Jul 7, 2018
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
Reply #1 on: Jul 7, 2018
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
Thanks for the timely response, appreciate it

frankwu0507

  • Member
  • Posts: 322
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Time dependence of the rates of a chemical reaction Time dependence of the rates of a chemical reaction
Changes in Time Spent with Family Members Changes in Time Spent with Family Members
Observed Mother–Child Arguments at Five Time Points Over an Eight-Year Period Observed Mother–Child Arguments at Five Time Points Over an Eight-Year Period
Using a vacuum hose and a grounded test light to ground one cylinder at a time on a DIS. This works ... Using a vacuum hose and a grounded test light to ground one cylinder at a time on a DIS. This works ...
Disitive Time For Potatoes Disitive Time For Potatoes
A human mitotic chromosome preparation processed A human mitotic chromosome preparation processed
Video: Transcription—A molecular view

For a complete list of videos, visit our video library