Database Chapter 1 Practice
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Questions and Answers

What is the primary function of the user's workstation in a Three-tier application?

  • To act as a web server
  • To provide network connectivity
  • To manage the database
  • To host the application program (correct)

    • What is one of the primary responsibilities of an Oracle DBA?

  • To insert application data in the database (correct)
  • To develop the application's business logic
  • To manage the network infrastructure
  • To design the application's user interface

    • What is the basic data structure of the relational model?

  • Query
  • Index
  • Table (correct)
  • View

    • In a Three-tier application, where is the application program typically located?

    <p>On the user's workstation</p> Signup and view all the answers

    What is the purpose of the relational model in database management systems?

    <p>To store and manage large amounts of data</p> Signup and view all the answers

    What is not a primary responsibility of an Oracle DBA?

    <p>Designing the application's user interface</p> Signup and view all the answers

    What is the primary role of the database in a Three-tier application?

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

    What is the basic component of the relational model that consists of rows and columns?

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

    What is the term used to describe the relationships between tables in the relational model?

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

    What is the benefit of using the relational model in database management systems?

    <p>All of the above</p> Signup and view all the answers

    What is the primary function of an application server?

    <p>To act as an interface between clients and database server</p> Signup and view all the answers

    What is the relationship between an application server and a database server?

    <p>The application server is a separate entity from the database server</p> Signup and view all the answers

    What do clients access through an application server?

    <p>The database server</p> Signup and view all the answers

    What is the role of an application server in a client-database system?

    <p>To act as a bridge between clients and database servers</p> Signup and view all the answers

    What is not a function of an application server?

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

    What is the basic data structure of the relational model?

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

    What is represented in columns and rows in a relational model?

    <p>Information about the particular entity</p> Signup and view all the answers

    What can tables have in a relational model?

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

    What is the purpose of a key in a relational model?

    <p>To uniquely identify a record</p> Signup and view all the answers

    What is the term used to describe the entity represented in a relational model?

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

    What is the primary characteristic of Data Redaction?

    <p>Data is masked to conceal sensitive information</p> Signup and view all the answers

    What does Data Redaction not do?

    <p>Change the data stored in the database</p> Signup and view all the answers

    What is the purpose of Data Redaction in a database?

    <p>To secure sensitive information</p> Signup and view all the answers

    What is the outcome of Data Redaction on database data?

    <p>Data is masked and concealed</p> Signup and view all the answers

    What is the relationship between Data Redaction and database security?

    <p>Data Redaction is a tool for database security</p> Signup and view all the answers

    Study Notes

    Relational Model

    • The basic data structure of the relational model is the Table.

    Three-Tier Applications

    • In Three-tier applications, the user's workstation has the application program.

    Oracle DBA's Role

    • One of the Oracle DBA's Roles is to insert application data in the database.

    Application Server

    • The application server contains the application and acts as an interface between clients and the database server.

    RDBMS

    • The basic data structure of the relational model is not the file.
    • Information about a particular entity is represented in columns and rows in RDBMS.
    • Tables can have Keys in RDBMS.

    Data Redaction

    • Data Redaction does not change the data stored in the database.

    Note: Some options from the original text were omitted as they seemed unrelated to the main topics or were unclear in their meaning.

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    Description

    Practice quiz to test your understanding of basic database concepts, including relational models and data structures.

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