1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Kryger [21]
3 years ago
9

When would you use a composite primary key? Group of answer choices

Computers and Technology
2 answers:
taurus [48]3 years ago
8 0

Answer:

d. A many-to-many relationship

Explanation:

A composite primary key is the key that uses two or more attributes to uniquely identify any row in a table. These are usually used in associative entity table in which many to many relationship between 2 or more other table exists.

Example:

Suppose we have a table which consists of 4 columns:

student_ID, subject_ID, subject_name and marks.

Here the student_ID and subject_ID can be combined together to form the composite primary key.

vichka [17]3 years ago
6 0

Answer:

A. Multi-field attributes

B. A ternary relationship

C. A unary relationship

You might be interested in
How can you put a logo on html without breaching the copyright, design and patents act
Andrei [34K]
You create your own logo
5 0
3 years ago
Playstation 4 how to change mtu settings
tamaranim1 [39]
Ask google mam.............
4 0
3 years ago
In order to prevent unauthorized access, how can the shadow file be configured to enforce a password policy?​ What happens to ac
NemiM [27]

Answer : The securtiy of the password can be maitained by the shadow files such as:-

  • max is for the days that represent that the same password can be used without the need for changing it  
  • min is for the days that represent waiting days before the changing of password after he/she gets a new password
  • warn are the days that come with Waring sign that the password is going to expire soon.

For a certain period of time , the user can access the log in when the password has expired . If that period is timed out then there will be no log in option and the account gets disabled.

4 0
3 years ago
If you don’t have a paper copy of the FAFSA form, how else can you fill it out?
Ronch [10]
Go on your school computer, and find a copy of the form. Then print it from the school printer.
3 0
3 years ago
Read 2 more answers
mapa mental con la explicación de que medios de comunicación y redes sociales intervienen en la construcción de tu identidad​
lisov135 [29]

Answer:

este presente yo cuando me pidieron eso

5 0
3 years ago
Other questions:
  • Some files appear dimmed in one of the default folders on your computer. What would be the best course of action? A. Leave the f
    11·1 answer
  • Which is a good guideline to follow when choosing a background for your slides?. . A. Use a different background for each slide.
    8·1 answer
  • Would these statements cause an error? Why or why not? int year = 2019; int yearNext = 2020; int & ref = year; & ref = y
    7·1 answer
  • To find your personal learning style you can
    5·2 answers
  • How long does it take to be placed in a class on flvs?
    14·1 answer
  • Henry conducted a survey on an ad done by his company. In the survey, he asked people to evaluate the ad and state whether they
    8·1 answer
  • I ONLY HAVE 5 MIN HELPPPPPP
    15·2 answers
  • Edhesive 9.3 code practice
    11·1 answer
  • An epic games service is unavailable at the moment
    8·1 answer
  • In Python, while loops will repeat during the time the test condition is true.
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!