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(solution) Jocelyn Battle Week 5 Assignment 12/30/2015 CS 165 Adv.


i need an A on this assignment please. Thank you for all the help.


Jocelyn Battle

 

Week 5 Assignment

 

12/30/2015

 

CS 165 Adv. Microcomputer Applications When creating tables in Access, it is important to set a ?Primary Key.? What is the

 

purpose of the Primary key, and why is it important?

 

Primary Key is a unique identifier used to distinguish a database table entry from other entries.

 

Creating a database table requires assigning at least one column to store the Primary Key, and

 

Primary Key can?t be a null. In database design, a Primary Key is important because it serves as

 

a unique identifier for a row of data in a database table. The Primary Keys makes it convenient

 

for a user to add, sort modify and delete data in a database. The purpose of a Primary Key in a

 

database are Primary Keys is used to uniquely identify a row in a database table; no two rows

 

can have the same Primary Key. Identification numbers are often used a Primary Keys. Any field

 

that is not necessary unique, such as a person?s name, is not suitable for being a Primary Key.

 


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