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
sergejj [24]
3 years ago
14

What is the purpose of creating a primary key in a database

Computers and Technology
1 answer:
ss7ja [257]3 years ago
7 0

Answer:

Basically it creates a unique identifier for each row in your table and that can help you link your table to other tables using primary key as link

Explanation:

"Primary key allows you to create a unique identifier for each row in your table. It is important because it helps you link your table to other tables (relationships) using primary key as links."

You might be interested in
Which of these is system software? Check all
Darya [45]

Answer:

Windows OS is software....

6 0
3 years ago
What is remote assistance?
Slav-nsk [51]

Answer:

Quick Assist, Windows 10 feature, allows a user to view or control a remote Windows computer over a network or the Internet to resolve issues without directly touching the unit. It is based on the Remote Desktop Protocol.

Explanation:

.....

3 0
3 years ago
____ is designed for short-distance connections and has only a few lambdas, with a greater space between lambdas. Group of answe
givi [52]

Answer:

The answer is Coarse wavelength division multiplexing (CWDM)

Explanation:

CWDM is the wavelength designed for short- distance connections  and has only a few lambdas. It is mostly used nowadays as a type of wavelength technologies deployed in cities and inner access ways. It is inexpensive and thus a cost effective wavelength  division multiplexing. Cost effective lasers can be used in CWDM due to the spacing of about 20nm between its wavelengths.

4 0
3 years ago
Read 2 more answers
When processing all the elements of row i of a two-dimensional array named grades using a for loop with variable j, what is the
kykrilka [37]

Answer:

D

Explanation:

Two dimensional array contain both rows and columns. Each row represented one record and each column represent one filed in that record.

for ex: int grades[5][3];

here array grades contains 5 rows and in each row we have 3 columns

if we have grades[i][j] then " i " represents number of rows and j represents the number of columns in that row.

j<grades[i].length represents i=0 to 2[here no of columns are 3, array index starts from 0 to 2]

The Answer is D

8 0
3 years ago
WILL UPVOTE YOUR ANSWER PLEASE HELP ME!
Sedaia [141]
The answer should be D
5 0
3 years ago
Other questions:
  • Two electronics students are discussing electrical units. Student A says that electrical power is measured in units called coulo
    5·1 answer
  • How does an operating system manage peripheral devices?
    6·1 answer
  • IF YOU COULD CREATE A SOCIAL NETWORK:, what would it be like? What would make it so special about the others? (If you want you c
    9·1 answer
  • A computer understand..............codes.<br>​
    10·1 answer
  • When an instruction is sent to the CPU in a binary pattern, how does the CPU know what instruction the pattern means
    7·1 answer
  • Select three advantages to using digital video.
    5·2 answers
  • Question 19
    9·2 answers
  • It is usually simple to delete old posts and online conversations if they make you look bad.
    5·1 answer
  • Describe the uses of computer in different fileds? please help me ​
    14·1 answer
  • Which best describes what databases do?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!