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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."

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This process that would be considered in the above scenario is Data mining.

<h3>What is data mining?</h3>

Data mining is known to be the act or method of knowing more about data via;

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Note that  It is a method that uses statistics, machine learning, and database systems and it will be good tool to be used in the scenario above.

Learn more about Data mining from

brainly.com/question/14776357

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The beginning statement of a loop is called a declaration.<br> True<br> False
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I dont see the question

Explanation:

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Given an array a, declared to contain 34 elements, write an expression that refers to the last element of the array.
Mice21 [21]
If the language is zero indexed:

a[ 33 ]
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3 years ago
Requirements description:
Andrews [41]

Answer:

The code has been written in Java.

The source code of the file has been attached to this response. The source code contains comments explaining important lines of the program.

A sample output got from a run of the application has also been attached.

To interact with the program, kindly copy the code into your Java IDE and save as Cafe.java and then run the program.

Download java
<span class="sg-text sg-text--link sg-text--bold sg-text--link-disabled sg-text--blue-dark"> java </span>
75f69c356ebff0797de4ffcfb6f8c22e.png
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