Database Management System Fundamentals
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Questions and Answers

What is the primary purpose of an Enterprise Data Model?

  • To define the attributes of entities in a specific project
  • To provide a detailed view of data structures in a database
  • To capture the nature and relationships of data across an organization (correct)
  • To establish one-to-one relationships between entities

What type of relationships can exist between entities?

  • One-to-one, one-to-many, and many-to-many relationships (correct)
  • Only one-to-many and many-to-many relationships
  • Only one-to-one and one-to-many relationships
  • Only many-to-many relationships

What graphical representation captures the nature and relationships of data?

  • Data warehouse
  • Data model (correct)
  • Project data model
  • Relational database

What is the main difference between an Enterprise Data Model and a Project Data Model?

<p>The level of detail provided (D)</p> Signup and view all the answers

What is a characteristic of entities in a data model?

<p>They are described in noun form (B)</p> Signup and view all the answers

What is the primary feature of relational databases?

<p>Use of tables and primary/foreign keys (C)</p> Signup and view all the answers

What is the primary difference between the System Development Life Cycle (SDLC) and prototyping?

<p>SDLC is a well-planned and time-consuming process, whereas prototyping is a rapid and cursory approach (B)</p> Signup and view all the answers

What is the main purpose of the planning phase in the System Development Life Cycle (SDLC)?

<p>To gain a preliminary understanding of the business situation (B)</p> Signup and view all the answers

What is the primary focus of the analysis phase in the System Development Life Cycle (SDLC)?

<p>Thorough analysis of the business situation (A)</p> Signup and view all the answers

What is the main difference between the design phase and the implementation phase in the System Development Life Cycle (SDLC)?

<p>The design phase focuses on logical and physical database design, whereas the implementation phase focuses on writing programs and building databases (A)</p> Signup and view all the answers

What is the primary purpose of the maintenance phase in the System Development Life Cycle (SDLC)?

<p>To monitor, repair, and enhance the database (D)</p> Signup and view all the answers

What is the primary advantage of using the System Development Life Cycle (SDLC) approach?

<p>It is a detailed and comprehensive approach (D)</p> Signup and view all the answers

What is the primary function of an Enterprise System in an organization?

<p>To act as the backbone of the organization (D)</p> Signup and view all the answers

Which of the following approaches is characterized by being methodical, structured, and time-consuming?

<p>Traditional SDLC (C)</p> Signup and view all the answers

What is the primary benefit of using Rapid Application Development (RAD) when a database is already in place?

<p>It enables faster development and more adaptability (D)</p> Signup and view all the answers

Which type of data repository does not typically involve relational databases?

<p>Data Lakes (D)</p> Signup and view all the answers

What is the primary purpose of a project in database development?

<p>To reach an objective that has a beginning and an end (B)</p> Signup and view all the answers

What is the main purpose of a Customer Relationship Management system?

<p>To manage customer interactions (B)</p> Signup and view all the answers

What is the term for the process of managing the overall operations of an organization?

<p>Enterprise Resource Planning (C)</p> Signup and view all the answers

During which stage of the SDLC is a project initiated and planned?

<p>Planning (B)</p> Signup and view all the answers

What is the primary purpose of an Executive Dashboard?

<p>To visualize data and make informed decisions (B)</p> Signup and view all the answers

What is the primary purpose of the external schema in the three-schema architecture?

<p>To provide a user view of the database (C)</p> Signup and view all the answers

Which of the following is NOT a flavor of Rapid Application Development (RAD)?

<p>Traditional SDLC (B)</p> Signup and view all the answers

What is the name of the fictional company used as a case throughout the book?

<p>Pine Valley Furniture (C)</p> Signup and view all the answers

What is the typical size of a personal database?

<p>Megabytes (B)</p> Signup and view all the answers

What is the primary characteristic of a departmental database?

<p>Used by several users, usually department-wide (D)</p> Signup and view all the answers

What is the typical size of an enterprise application database?

<p>Gigabytes, terabytes, or even petabytes (A)</p> Signup and view all the answers

What type of database architecture is shown in Figure 1-12?

<p>Multi-Tiered Client/Server (C)</p> Signup and view all the answers

What is the primary difference between a personal database and a departmental database?

<p>Number of users (D)</p> Signup and view all the answers

What is the typical user base of an enterprise application database?

<p>A large user base, company-wide (D)</p> Signup and view all the answers

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