Computers And Technology Middle School

Which of the following would be the best option for a primary key in a database table that stores data about dogs?

A.
name

B.
dogID

C.
date of birth

D.
breed

Answers

Answer 1

Answer:

D. Breed

Explanation:

I would say it would be breed since most of the other answers would be considered in a HUMAN database table. Also, I love your profile picture. :)

Answer 2
D. Breed. Think of it as ethnicities

Related Questions

Which of the following statements about block-based coding is false?



- Block-based programs use characters, which are called sprites.


- Each block of code corresponds to at least one code instruction.


- Block-based coding involves dragging and dropping blocks onto an editor.


- You need to understand the coding language behind the blocks in order to successfully build a block-based program

Answers

Answer:

Im pretty sure the answer to your question is A.

Explanation:

all others make sense.

Answer: You need to understand the coding language behind the blocks in order to successfully build a block-based program.

Explanation: Block based coding is mostly just drag-and-drop. If you go to a place like Scratch, you'll see that they have entire games made completely out of blocks. I've made a few decently complicated programs there, and none of them require me to know the coding language behind the blocks.

1. A virtual network of websites connected by hyperlinks is called

A. a browser

B. a URL

C. the internet

D. the World Wide Web


2. The Domain Name System translates the URL into

A. a client

B. an IP address

C. a website

D. a web browser

Answers

the answer of the first McQ is a and second one is b

Answer:

1 Option D is correct:  World wide web

2 Option B is correct:  Ip addresses

Which of the following is an example of a syntax error in a program?



- A program is supposed to calculate the sum of three numbers, but displays the wrong answer.


- The programmer typed “nmae” instead of “name” when using a variable.


- A sprite in a block-based program won’t move backwards, only forwards.


- The music stops playing halfway through the program instead of continuing until the end.

Answers

Answer: The programer typed “nmae” instead of “name” when using a variable
Explanation: a syntax error is an error in the syntax of a sequence of characters or tokens that is intended to be written in a particular programming language. For compiled languages, syntax errors are detected at compile-time. A program will not compile until all syntax errors are corrected. the message “nmae” would be undeliverable because of a syntax error. Poorly or incorrectly formatted information might be entered by a programmer, end user, or even by computer software itself.
The second one because it is miss spelling something specific which leads to this type of error
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