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 61 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

alexanderhamilton

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev
Students rated their grandparents on a scale from 1 to 4 based on emotional closeness, time spent ... Students rated their grandparents on a scale from 1 to 4 based on emotional closeness, time spent ...
Insecticide application over time Insecticide application over time
Disitive Time For Meat Disitive Time For Meat
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Time-of-entry mapping Time-of-entry mapping
Video: Summation - defined, spatial, temporal & AP generation or not

For a complete list of videos, visit our video library