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 do ACLs work on a router?
serg [7]

Answer:

An ACL is a list of permit or deny rules detailing what can or can't enter or leave the interface of a router. Every packet that attempts to enter or leave a router must be tested against each rule in the ACL until a match is found. If no match is found, then it will be denied.

Explanation:

PLEASE MARK ME AS BRAINLIEST

6 0
3 years ago
One of the factors that influence the effectiveness of chemical sanitizer works effectively between 13° C and 49° C​
12345 [234]

Answer:

temperature

Explanation:

Temperature is one of the three factors known to have remarkable influence on the effectiveness of chemical sanitizers. These sanitizers generally perform best at temperature range of 13 – 49 degrees centigrade.  

Also, contact time is one of the factors that is needed for the sanitizers to effectively kill the microorganisms. The item to be cleaned should come in contact with the chemical for the recommended period of time.

3 0
3 years ago
SaaS supports multiple users and provides a shared data model through _________ model.
Hoochie [10]

Answer:

b) multi-tenancy

Explanation:

Cloud computing can be defined as a type of computing that requires shared computing resources such as cloud storage (data storage), servers, computer power, and software over the internet rather than local servers and hard drives.

Generally, cloud computing offers individuals and businesses a fast, effective and efficient way of providing services.

Cloud computing comprises of three (3) service models which includes;

1. Platform as a Service (PaaS).

2. Infrastructure as a Service (IaaS).

3. Software as a Service (SaaS).

Software as a Service (SaaS) can be defined as a cloud computing delivery model which involves the process of making licensed softwares available over the internet for end users on a subscription basis through a third-party or by centrally hosting it.

Hence, Software as a Service (SaaS) supports multiple users and provides a shared data model through multi-tenancy model. A multi-tenancy model can be defined as a software architecture that provides services to multiple end users through an instance of the software application running on a server. Thus, in SaaS multiple end users can share the software application, a single database, and each user being logically separated from one another.

5 0
3 years ago
Lesson 3: Wrapping Up Unit 6
GrogVix [38]

Answer:

A visual representation of colors arranged according to their hues, or the chromatic relation they share

Explanation:

7 0
3 years ago
Read 2 more answers
In which area is composing for games different from composing for movies?
kondaur [170]

Answer: royalties earned

Explanation:

In areas such as the looping scores, temp tracks and adaptive scores, there are similarities when composing for games and when composing for movies.

The area where there is difference when composing for games and composing for movies is the royalties earned. The interest that is earned on royalties for both cases are different.

8 0
3 years ago
Other questions:
  • 1. Perform the following Binary Additions 101101 + 10100 *
    13·2 answers
  • discuss in an essay format the steps one needs to take to develop a management information system(MIS)give examples to support y
    7·1 answer
  • 4+4 act quick for brainliest
    10·2 answers
  • Which of the following is a negative impact of technology on society
    9·1 answer
  • What is an example of a culture block
    8·1 answer
  • Javier is asked to explain to IT management as to why he is suggesting replacing the existing company firewall. Javier states th
    11·1 answer
  • To calculate perimeter of a rectangle​
    9·2 answers
  • Which element can be changed using the Print pane? Check all that apply
    9·1 answer
  • Please help me with this
    6·1 answer
  • Explain any two types of board band connection​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!