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
Nesterboy [21]
3 years ago
13

Briefly discuss constraints

Computers and Technology
1 answer:
Juliette [100K]3 years ago
3 0

Answer:

Constraint is defined as a part of individual attribute or column. In terms of computer programming, constraints relation are stated in the form of variable. Basically, constraint is the rule that are use for optimization purpose.

There are different types of constraints that are:

  • Primary key constraint : It is defined as, the combination of columns which uniquely identify each data in the database table.
  • Unique constraint : Unique constraint are used to ensure that all the values in the column table in the database are must be different.
  • Not null constraint : It basically prevent all the null values from entering into one or more than one column in a table.
You might be interested in
When you receive a rejection message from an employer, you should?
Sergio039 [100]
Move on and continue your job search!
3 0
3 years ago
When a user problem cannot be solved by the help desk at the first level of resolution, the problem is ___________ to the second
PIT_PIT [208]

Answer: escalated

Explanation:

7 0
3 years ago
What operating system is a smart phone most likely to use?
nirvana33 [79]
Answer:
Linux

Reason:
According to Google, BSD is discontinued. Symbian is also discontinued. Linux is on some smartphones. Max OS X are for computers.

Hope this helped!
6 0
3 years ago
Viết chương trình nhập vào họ tên của bạn rồi in nội dung chuỗi đó lên màn hình.Ví dụ:Nếu họ tên nhập vào là: NGUYEN BINH MINH t
muminat
Why people spam this nugen thing
7 0
3 years ago
This is my code for controlling a servomotor by Arduino Mega 2560
stiks02 [169]

There is no library included hence you are facing this error

What are the steps to resolve?

At the start of the program, you have missed adding the library file which is

#include<Servo.h>

The above one is the library you have to add

Also you have to attach the servo motor to the 9th pin of the Arduino mega

It is fine if you have added the servo.h library directly in your project

Kindly follow the above two steps it is because the serial port is not listening

Serial communication: Working with Arduino boards necessitates the use of serial communication and debugging. Simply put, serial communication is a method for the board to communicate with other devices, such as another computer, a peripheral, and so on. When discussing Arduino serial communication, it's also important to distinguish between its physical components (such as the Arduino's serial ports) and its software components (using the serial monitor in the Arduino IDE).

Thus serial communication helps in communicating with the devices attached to the board

To know more on serial communication follow this link:

brainly.com/question/28786797

#SPJ4

8 0
2 years ago
Other questions:
  • You install a SATA hard drive and then turn on the computer for the first time. You access BIOS/UEFI setup and see that the driv
    8·1 answer
  • While working on a presentation, Jack lost all the data because he switched off his computer unknowingly. On which of these comp
    6·2 answers
  • The figure below shows a black and white image with a resolution of 720×504. Identify how much memory (in bits) will be occupied
    15·1 answer
  • What is the full form of bcc please tell​
    15·2 answers
  • How are XY coordinates utilized in construct ?
    15·1 answer
  • Edhesive 8.5 code Practice help me pls
    15·1 answer
  • Okay all the people that make other people cry leave me alone got it good
    6·1 answer
  • Can someone compress this ipv6 address? 558c:0000:0000:d367:7c8e:1216:0000:66be
    9·1 answer
  • 11. a) What is character size measured in?
    5·1 answer
  • Where does blood travel when it leaves the right ventricle of the heart
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!