Database Management Quiz
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Questions and Answers

What is a database commonly defined as?

  • A temporary collection of unstructured data.
  • A system for processing data without coordination.
  • A tool for managing individual file processing.
  • An organized collection of logically related data. (correct)

    • Which of the following is NOT a limitation of conventional file processing?

  • Program-data dependency.
  • Excessive program maintenance.
  • Centralized data management. (correct)
  • Limited data sharing.

    • What is one of the major advantages of using a database over file processing?

  • Reduces costs of hardware.
  • Improves data duplication.
  • Simplifies application logic.
  • Enhances data integrity. (correct)

    • Which of the following best describes metadata?

    <p>Data that describes the properties of user data. (D)</p> Signup and view all the answers

    What is a significant problem caused by data redundancy?

    <p>Inconsistency in data. (B)</p> Signup and view all the answers

    Which component is essential for managing a database?

    <p>Database Management System (DBMS). (D)</p> Signup and view all the answers

    What does the database system development life cycle include?

    <p>Steps for developing a database system. (A)</p> Signup and view all the answers

    Which characteristic is true of structured data?

    <p>It can include numbers, text, and dates. (D)</p> Signup and view all the answers

    What is the primary purpose of the planning phase in the Systems Development Life Cycle?

    <p>Information requirements elicitation and structure (D)</p> Signup and view all the answers

    During which phase is the detailed design specification delivered?

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

    What primary activity occurs during the physical design phase in the context of database activity?

    <p>Defining the database to the DBMS (A)</p> Signup and view all the answers

    What is the main deliverable of the maintenance phase in the Systems Development Life Cycle?

    <p>Periodic audits (C)</p> Signup and view all the answers

    What kind of issues does database maintenance primarily address?

    <p>Error corrections and performance tuning (B)</p> Signup and view all the answers

    Which of the following is NOT a purpose of the physical design phase?

    <p>Programming and installation (D)</p> Signup and view all the answers

    What is typically delivered during the implementation phase?

    <p>Operational program documentation (B)</p> Signup and view all the answers

    What distinguishes a project from other activities?

    <p>It has clearly defined tasks and objectives. (A)</p> Signup and view all the answers

    During which phase would programming and testing mainly occur?

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

    Which of the following best describes the role of logical design in database development?

    <p>It outlines transactions, forms, and views. (A)</p> Signup and view all the answers

    What role does a Database Management System (DBMS) play in a database environment?

    <p>It serves as the software for managing the database. (D)</p> Signup and view all the answers

    Which of the following describes the nature of relationships in a database?

    <p>Relationships between entities can vary, including one-to-many (1:M) and many-to-many (M:N). (A)</p> Signup and view all the answers

    What is an advantage of using the database approach?

    <p>Improved data sharing and consistency. (A)</p> Signup and view all the answers

    Which of the following best describes the Enterprise Data Model?

    <p>A high-level depiction of entities and relationships for the organization. (C)</p> Signup and view all the answers

    What is a common challenge associated with the database approach?

    <p>Need for specialized personnel. (A)</p> Signup and view all the answers

    Which element captures the nature and relationships of data in a database?

    <p>Data Models (A)</p> Signup and view all the answers

    What component acts as a centralized storehouse of metadata in a database environment?

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

    What represents the organizational conflict in database management?

    <p>Complicated conversion and installation processes. (D)</p> Signup and view all the answers

    What is the first step in the database development process?

    <p>Enterprise Data Model (B)</p> Signup and view all the answers

    Which personnel are responsible for maintaining the database?

    <p>Data/Database Administrators (B)</p> Signup and view all the answers

    Which phase in the Systems Development Life Cycle involves a thorough requirements analysis?

    <p>Analysis (A)</p> Signup and view all the answers

    What is a characteristic of the System Development Life Cycle?

    <p>It is a time-consuming but comprehensive process. (A)</p> Signup and view all the answers

    What is generally depicted in an entity-relationship diagram?

    <p>Descriptions of entity types and their relationships (A)</p> Signup and view all the answers

    During which phase of the SDLC is the 'Request for Study' created?

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

    What does the Prototyping approach to database development emphasize?

    <p>Cursory initial modeling and rapid iteration (B)</p> Signup and view all the answers

    Which activity is included in the Physical Design stage of SDLC?

    <p>Deciding on database storage structures (D)</p> Signup and view all the answers

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