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

Author Question: The prefix :old is used to make previous values of columns available to update and delete triggers. ... (Read 143 times)

dejastew

  • Hero Member
  • *****
  • Posts: 562
on: Jul 7, 2018
The prefix :old is used to make previous values of columns available to update and delete triggers.
 
  Indicate whether the statement is true or false

Question 2

One weakness of UML-style E-R diagrams is that there is no means of distinguishing between a weak entity that is ID-dependent and a weak entity that is not ID-dependent.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kilada

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Jul 7, 2018
Answer to Question 1

TRUE

Answer to Question 2

FALSE


dejastew

  • Member
  • Posts: 562
Reply 2 on: Jul 7, 2018
YES! Correct, THANKS for helping me on my review

essyface1

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

pH values of common solutions pH values of common solutions
Maze-dull rats did not make significantly more errors than maze-bright rats when both groups were ... Maze-dull rats did not make significantly more errors than maze-bright rats when both groups were ...
How to use the closed interval method to find absolute maximum and minimum values How to use the closed interval method to find absolute maximum and minimum values
Using the fingertips of one hand, make contact with an area on the back with high fascial ... Using the fingertips of one hand, make contact with an area on the back with high fascial ...
How to solve equations involving absolute values How to solve equations involving absolute values
Meiosis is used to make sperm and egg cells. A shows a simplified version and B shows a detailed ver Meiosis is used to make sperm and egg cells. A shows a simplified version and B shows a detailed ver
Video: Introduction to Pre-eclampsia

For a complete list of videos, visit our video library