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Zina [86]
3 years ago
10

Relational databases enforce​ ______________ integrity to​ ensure, for​ instance, that a teacher​ can't be assigned to a class t

able unless they already exist in the teacher table.
Computers and Technology
1 answer:
timofeeve [1]3 years ago
8 0
What? where ar the answer choices?
You might be interested in
Which one of these is least like the others javascript ruby python mysql.
Cerrena [4.2K]

MySQL is a relational database management system based on the structured query language, JavaScript, Ruby and Python are programming languages ​​used largely in web development.

<h3>What is MySQL?</h3>

It is a system that allows database management, that is, it is a database query language that is used to define relational database structures.

<h3>Characteristics of MySQL</h3>

  • The system works on the client-server principle, where the server represents the actual database management system and is responsible for storing and distributing the data.

  • It can be used on Windows, Linux, Unix and some other operating systems.

Therefore, we can conclude that MySQL is a relational database management system based on the structured query language, JavaScript, Ruby and Python are programming languages ​​used largely in web development.

Learn more about MySQL here: brainly.com/question/4964005

6 0
2 years ago
Eli needs to export files from his mailbox into a single file that is portable and can be backed up to removable media. Which fi
Ray Of Light [21]

Answer:

ZIP

Explanation:

The best file type for this scenario would be a ZIP file. This is a file that holds various different files compressed into a single file, with a file extension of .zip . This file type is used for two main reasons, the first being to combine various files into a single file that can be easily sent or stored. The second reason is to shrink the total file size of a large set of files, which is done by compressing the files themselves into a single entity. Therefore, this would be the best option for Eli in this situation.

5 0
2 years ago
Mail is an important method of __________ between a company and it outside world.
Ipatiy [6.2K]

I would guess communication, but I might be wrong.

5 0
3 years ago
Read 2 more answers
A typical data transfer rate using the internet is 32 megabits per
777dan777 [17]

Answer:

i. 32 Megabits is equal to 4 MB.

ii. It will take 10 seconds to transfer a 40 MB file.

Explanation:

i. 1 MB = 8 Megabits

  32 Megabits = 32/8

  = 4 MB

(1 MB is equal to 8 Megabits, so to know 32 Megabits is equal to how many MB you need to divide 32 with 8, so you will get 4. Like this we get the answer, that is 4 MB.)

ii. Data Transfer in 1 Second = 4 MB

   = Time to transfer 40 MB file = 40/4

   = 10

(4 MB file will be shared in 1 Second, so to know how much time will it take to transfer a 40 MB file, we have to divide 40 with 4, which is 10. Now we have got the answer that is, 10 Second.

7 0
2 years ago
Finally, Calculate the Return on Assets (ROA) for each firm and enter the values in B37, C37, D37, and E37 (ROA is defined as th
Natali [406]

Answer:

Answer is provided in the explanation section

Explanation:

Return on assets (ROA) is a ratio of profit that gives insights to the manager how much profit the company earns from its assets. ROA measures the efficiency of the company in generating a profit by using human resources or assets. The higher number of ROA shows the efficient performance of the company is in generating profits and managing the balance sheets.

Formula:  Return on Assets = Net Income / Total Assets  

EXCEL:    If you have the balance sheet and income statement of each firm then you can calculate ROA in excel:

• Take the value of net profit after tax from the income Statement of each firm.

• Take the value of Total Assets from the balance sheet of each firm.

• Divide net profit value with total assets value and get ROA value of each firm.

• Applying the above formula of ROA value for each firm on B37, C37, D37, and E37 cells and place % symbols after value.

7 0
3 years ago
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