100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
AIS ACG 4401 Exam 2 Questions & Answers 2024/2025 $8.49   Add to cart

Exam (elaborations)

AIS ACG 4401 Exam 2 Questions & Answers 2024/2025

 6 views  0 purchase
  • Course
  • AIS ACG 4401
  • Institution
  • AIS ACG 4401

AIS ACG 4401 Exam 2 Questions & Answers 2024/2025 Conceptual model - ANSWERSdepicts important objects and relationships between objects that must be captured in a database. REA Communication methods - ANSWERS1. Narrative Description 2. Diagrams with various notations 3. Structured Grammar...

[Show more]

Preview 2 out of 9  pages

  • August 10, 2024
  • 9
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • AIS ACG 4401
  • AIS ACG 4401
avatar-seller
Bensuda
AIS ACG 4401 Exam 2 Questions &
Answers 2024/2025

Conceptual model - ANSWERSdepicts important objects and relationships between objects that must be
captured in a database.



REA Communication methods - ANSWERS1. Narrative Description

2. Diagrams with various notations

3. Structured Grammar

4. Predicate logic notation

5. Tags: XML XBRL

6. Programming Language notation



Unified Modeling Language (UML) - ANSWERSA standard format for communicating and documenting
software design.

Uses diagrams for different analysis levels.



Logical Model - ANSWERSShows what a system must do, regardless of how it will be implemented
physically.

independent software, convert conceptual model.



Physical database - ANSWERScreated based on specific database software packages, database is
implemented and dependent on software.



Entity - ANSWERSreal world object with separate existence



Class - ANSWERSentities with shared characteristics



Association - ANSWERSRelationship between classes

, Association Class - ANSWERSrepresents a relationship in which there can be only one link between the
related entities



Reified association - ANSWERSa relationship in which there can be multiple links between the related
entities



Attribute - ANSWERScharacteristic possessed by a class or association



Primary Key Attribute - ANSWERSused to uniquely and universally describe each instance of a class or
association class



Concatenated primary key - ANSWERSa unique and universal identifier for a class or association class
that is made up of multiple attributes



Simple attribute - ANSWERSAn attribute that cannot be subdivided into meaningful components.



composite Attributes - ANSWERScan be divided into smaller subparts, which represent more basic
attributes that have their own meanings



Derivable attribute - ANSWERSa characteristic of a class or an association class that can be calculated
based on the values of other stored characteristics



Static derivable attribute - ANSWERSa derivable attribute for which the derived value will not change if
additional transaction data is entered into the database



volatile derivable attribute - ANSWERSa derivable attribute for which the derived value will change if
additional transaction data is entered into the database



minimum multiplicity - ANSWERSrepresents the minimum number of times an instance of a class must
participate in an association with instances of a related class; legal values are 0 and 1

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 Bensuda. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $8.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

67096 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
$8.49
  • (0)
  Add to cart