100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
ISA 245 Chapter 2 Exam With 100% Correct And Verified Answers $14.99   Add to cart

Exam (elaborations)

ISA 245 Chapter 2 Exam With 100% Correct And Verified Answers

 3 views  0 purchase
  • Course
  • ISA 245
  • Institution
  • ISA 245

ISA 245 Chapter 2 Exam With 100% Correct And Verified Answers

Preview 2 out of 13  pages

  • September 2, 2024
  • 13
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ISA 245
  • ISA 245
avatar-seller
Vendarsol
ISA 245 Chapter 2 Exam With 100%
Correct And Verified Answers
Attribute - Correct Answer-A characteristic of an entity or
object. An attribute has a name and a data type.

business rule - Correct Answer-A description of a policy,
procedure, or principle within an organization. For example,
a pilot cannot be on duty for more than 10 hours during a
24-hour period, or a professor may teach up to four classes
during a semester.

Class - Correct Answer-A collection of similar objects with
shared structure (attributes) and behavior (methods). A
class encapsulates an object's data representation and a
methods implementation

class hierarchy - Correct Answer-the organization of classes
in a hierarchical tree in which each parent class is a super
class and each child class is a subclass.

conceptual model - Correct Answer-The output of the
conceptual design process. The conceptual model provides a
global view of an entire database and describes the main
data objects, avoiding detail

conceptual schema - Correct Answer-A representation of
conceptual model, usually expressed graphically




Vendarsol

, Connectivity - Correct Answer-The type of relationship
between entities. Classifications include (1:1, 1:M, M:N)

Constraint - Correct Answer-A restriction placed on data,
usually expressed in the form of rules. For example, "a
student's GPA must be between 0.00 and 4.00".

Crow's Foot notation - Correct Answer-A representation of
entity relationship diagram that uses a three- pronged
symbol to represent the "many" sides of the relationship

data model - Correct Answer-A representation, usually
graphic, of a complex "real-world" data structure. Data
models are used in the database design phase of the database
life cycle.

Entity - Correct Answer-A person, place, thing, concept, or
event for which data can be stored

entity instance - Correct Answer-A row in a relational table

entity occurrence - Correct Answer-A row in a relational
table

entity relationship diagram(ERD) - Correct Answer-A
diagram that depicts an entity relationship model's entities,
attributes, and relations

entity relationship model - Correct Answer-A data model
that describes relationships (1:m, 1:1) among entities at the
conceptual level with the help of ER diagrams.

Vendarsol

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 Vendarsol. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $14.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

80796 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
$14.99
  • (0)
  Add to cart