100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
INSY 3304 CH 3 EXAM STUDY GUIDE WITH COMPLETE SOLUTIONS $9.99   Add to cart

Exam (elaborations)

INSY 3304 CH 3 EXAM STUDY GUIDE WITH COMPLETE SOLUTIONS

 2 views  0 purchase
  • Course
  • INSY
  • Institution
  • INSY

INSY 3304 CH 3 EXAM STUDY GUIDE WITH COMPLETE SOLUTIONS If a foreign key contains either matching values or nulls, the tables that make use of such a foreign key are said to exhibit ________ integrity. - Answer-Referential The use of a(n) ________ relationship ensures that two entity sets are n...

[Show more]

Preview 1 out of 4  pages

  • October 5, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • INSY
  • INSY
avatar-seller
EmillyCharlotte
EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024




INSY 3304 CH 3 EXAM STUDY GUIDE
WITH COMPLETE SOLUTIONS

If a foreign key contains either matching values or nulls, the tables that make use of such a foreign key

are said to exhibit ________ integrity. - Answer✔✔-Referential


The use of a(n) ________ relationship ensures that two entity sets are not placed in the same table

when they should not be. - Answer✔✔-1 : 1


A relational operator that yields all rows in one table that are not found in the other table is the

________ operator. - Answer✔✔-difference


No invoice can have a duplicate number, nor can it be null. This is an example of ________. - Answer✔✔-

entity integrity


A(n) ________ links tables by selecting only the rows with common values in their common attribute. -

Answer✔✔-natural join


The one-to-many (1:M) relationship is easily implemented in the relational model by putting the primary

key of the "1" side in the table of the "many" side as a ________ key. - Answer✔✔-foreign


________ are especially useful when you are trying to determine what values in related tables cause

referential integrity problems. - Answer✔✔-outer joins


________ data is also known as string data. - Answer✔✔-Character




Page 1/4

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller EmillyCharlotte. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $9.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

78112 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$9.99
  • (0)
  Add to cart