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

Author Question: What are the IDEF1X equivalents of 1:1, 1:N and N:M relationships? What will be an ideal ... (Read 23 times)

tatyanajohnson

  • Hero Member
  • *****
  • Posts: 569
What are the IDEF1X equivalents of 1:1, 1:N and N:M relationships?
 
  What will be an ideal response?

Question 2

In Oracle Database backup and recovery facilities, a consistent backup is one in which all uncommitted changes have been removed from the datafiles.
 
  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

Pariscourtney

  • Sr. Member
  • ****
  • Posts: 352
Answer to Question 1

For relationships between strong entities, 1:1 and 1:N relationships are called nonidentifying connection relationships and N:M relationships are called nonspecific relationships. ID-dependent 1:N relationships are called identifying connection relationships, but there is no IDEF1X equivalent term for a weak but non-ID-dependent relationship.

Answer to Question 2

TRUE




tatyanajohnson

  • Member
  • Posts: 569
Reply 2 on: Jul 7, 2018
Excellent


bimper21

  • Member
  • Posts: 309
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

For a complete list of videos, visit our video library