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
Radda [10]
4 years ago
12

When the primary key of one relation is placed into a second relation, it is called a ________________________.

Social Studies
1 answer:
liraira [26]4 years ago
7 0

Answer:

The answer is foreign key.

Explanation:

Foreign key is a relational database table known for matching the primary key in once column to another table (provide link for data in two different tables). This is achieved by ensuring there is a tuple in the other relation projected over those same attributes such that the values in each of the referencing attributes match the corresponding values in the referenced attributes.

You might be interested in
The ABO and MN blood-type frequencies of the Dunkers differ significantly from those of current American and German populations
aleksandr82 [10.1K]

Answer: Genetic Drift

Explanation: Genetic drift is an evolutionary mechanism whereby gene or allele frequency of a particular population change over generations due to random chance. The effect of genetic drift is most visible in small population due to reduction in population size resulting from natural disaster or splitting of a small group from the main population to formation a colony. However, it can occur in large population as well but it's effect is as strong as that occurring within a small population.

The genetic drift among the Dunkers could be attributed to the official split between conservatives and progressives members in 1882.

8 0
4 years ago
What does the un have to do with the universal declaration of human rights
ad-work [718]
The UN or the United Nations is a world coalition set up to secure human rights for all citizens of the world. The UN enforces and regulates world wide human rights
3 0
4 years ago
John works with patients who are emotionally and mentally disabled. he helps them regain their physical, mental, or emotional st
mestny [16]
John is a medical social worker as he demonstrates the role of a medical social worker who is responsible of taking care of the clients. Such as taking care of them in a way helping them regain stability in terms of physically, mentally or emotionally and that the patients he is in charge of is people with disability either physically or mentally.
5 0
3 years ago
What type of igneous rock is formed on earths surface
Evgesh-ka [11]
Extrusive igneous rocks cool and solidify quicker than intrusive igneous rocks. They are formed by the cooling of molten magma on the earth's surface. The magma, which is brought to the surface through fissures or volcanic eruptions, solidifies at a faster rate. I must searched this so......
3 0
3 years ago
Read 2 more answers
What is the relationship between the circulatory and respiratory system
erik [133]

Answer:

the circulatory system transports oxygen throughout the body via blood cells and the respiratory system takes in oxygen into your lungs through your bronci to your alveoli which then diffuses the oxygen into the deoyxgenized blood cells .without the respiratory system the circulatory system wouldn't work the need to be in tandem in order for to stay alive.

6 0
3 years ago
Other questions:
  • Kathy frequently makes faces at her classmates. Instead of punishing her for making faces, the teacher has the students totally
    7·1 answer
  • If the government uses tax money to pay for long term investments, what happens to the economy
    11·1 answer
  • Mr. Hardy taught in a school that served many students whose behavior at school was influenced by elements outside of the school
    10·1 answer
  • Primary or secondary source Information the Pacific Science Center tour guide, who shows you around the exhibit, shares with you
    13·1 answer
  • When Jermain was answering a questionnaire, he noticed that all the questions concerned an unhappy mood, apathy, loss of appetit
    14·1 answer
  • True or False: Most elementary school-aged children spend most of their free time playing with opposite gender peers.
    12·1 answer
  • The functionalist theory assumes that certain roles in society must be performed if the system is to be maintained. please selec
    8·1 answer
  • Why does literacy matter in a society based on individual freedom and responsibility? Explain how levels of literacy (how well c
    7·1 answer
  • The study of rule-making and rule-enforcements was/is the major focus of interactionist and __________ theorists
    11·1 answer
  • Why does the governor regard peace with the comanches as essential?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!