Types and Examples of Database Management Systems
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Questions and Answers

What is a key characteristic of a DBMS?

  • It is a set of programs to access data (correct)
  • It is a collection of unrelated data
  • It runs on personal computers only
  • It is not an environment that is convenient and efficient to use

    • Which of the following is NOT an example of a DBMS?

  • Oracle
  • SQLite
  • MySQL
  • Microsoft Word (correct)

    • Which of these is a common application of a DBMS in the banking industry?

  • Computerized transactions (correct)
  • Inventory systems
  • Registration and grades
  • Employee records

    • What is the main difference between the file-based approach and the database approach to data management?

    <p>The database approach is more convenient</p> Signup and view all the answers

    Which of the following is NOT a common application of a DBMS in the manufacturing industry?

    <p>Airline reservations</p> Signup and view all the answers

    What is the main advantage of using a DBMS over a manual approach to data management?

    <p>It is more convenient and efficient</p> Signup and view all the answers

    What is the main advantage of the database approach compared to a file-based approach?

    <p>Data can be stored in one place and shared easily</p> Signup and view all the answers

    What is the main reason organizations adopt the database approach?

    <p>To reduce long lead times and high costs in new application development</p> Signup and view all the answers

    What is a key characteristic of the database approach?

    <p>It allows changing data storage structures and operations without having to change the DBMS access programs</p> Signup and view all the answers

    What is the purpose of the DBMS catalog in the database approach?

    <p>To store the description of the database, called meta-data</p> Signup and view all the answers

    What is a key benefit of the database approach compared to a file-based approach?

    <p>It enables ad hoc questions to be answered more rapidly</p> Signup and view all the answers

    What is the main architectural difference between the database approach and a file-based approach?

    <p>The database approach uses a centralized data store, while the file-based approach uses distributed data files</p> Signup and view all the answers

    What is the primary purpose of a data model?

    <p>To provide a collection of concepts for describing the structure of a database</p> Signup and view all the answers

    Which of the following is NOT typically included in a data model?

    <p>Indexing strategies for physical data storage</p> Signup and view all the answers

    In addition to basic operations for retrievals and updates, what is becoming more common to include in data models?

    <p>Concepts to specify the dynamic behavior of a database application</p> Signup and view all the answers

    Which aspect of a database system is primarily concerned with data abstraction?

    <p>Data model</p> Signup and view all the answers

    What is the primary benefit of data abstraction in database systems?

    <p>Better understanding of data structure and relationships</p> Signup and view all the answers

    Which category of data models focuses on the highest level of abstraction?

    <p>Conceptual (high-level) data models</p> Signup and view all the answers

    Who are considered sophisticated users?

    <p>Users that know advanced use of the system and packages on top of the system</p> Signup and view all the answers

    What is the main focus of the analysis phase in the Database Development Life Cycle?

    <p>Fact-finding about the problem or opportunity</p> Signup and view all the answers

    Who maintains personal databases by using easy-to-use ready-made program packages?

    <p>Stand-alone end-users</p> Signup and view all the answers

    What is the primary goal of the planning phase in the Database Development Life Cycle?

    <p>Identifying information gap in an organization</p> Signup and view all the answers

    Which group of individuals is responsible for testing and deploying the designed database for use?

    <p>Operators and maintenance personnel</p> Signup and view all the answers

    What differentiates casual end-users from stand-alone end-users?

    <p>Frequency of database access</p> Signup and view all the answers

    What is the software component of a Database Management System (DBMS) comprised of?

    <p>DBMS software, Operating System, Application Programs, and Network Software (if used over a network)</p> Signup and view all the answers

    What is the primary purpose for which a Database Management System (DBMS) was designed?

    <p>To store and manipulate data</p> Signup and view all the answers

    What is the term used to refer to the additional information stored by the DBMS about the actual data?

    <p>Metadata</p> Signup and view all the answers

    Which of the following is an example of metadata that a DBMS stores about a person's name?

    <p>The size of the person's name</p> Signup and view all the answers

    What does the term "procedure" refer to in the context of a Database Management System (DBMS)?

    <p>A set of instructions or guidelines for using the DBMS</p> Signup and view all the answers

    What type of data does a database typically contain?

    <p>Operational data and metadata</p> Signup and view all the answers

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