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Introduction to Database Management System 1 Mark Book Back Question Paper With Answer Key

12th Standard

    Reg.No. :
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Computer Applications

Time : 00:15:00 Hrs
Total Marks : 9

    Multiple Choice Question

    9 x 1 = 9
  1. Which language is used to request information from a Database?

    (a)

    Relational

    (b)

    Structural

    (c)

    Query

    (d)

    Compiler

  2. The _____ diagram gives a logical structure of the database graphically?

    (a)

    Entity-Relationship

    (b)

    Entity

    (c)

    Architectural Representation

    (d)

    Database

  3. An entity set that does not have enough attributes to form primary key is known as

    (a)

    Strong entity set

    (b)

    Weak entity set

    (c)

    Identity set

    (d)

    Owner set

  4. __________ Command is used to delete a database.

    (a)

    Delete database database_name

    (b)

    Delete database_name

    (c)

    drop database database_name

    (d)

    drop database_name

  5. MySQL belongs to which category of DBMS?

    (a)

    Object Oriented

    (b)

    Hierarchical

    (c)

    Relational

    (d)

    Network

  6. _____ represents a “tuple” in a relational database?

    (a)

    Table

    (b)

    Row

    (c)

    Column

    (d)

    Object

  7. Communication is established with MySQL using

    (a)

    SQL

    (b)

    Network calls

    (c)

    Java

    (d)

    API’s

  8. Which is the MySQL instance responsible for data processing?

    (a)

    MySQL Client

    (b)

    MySQL Server

    (c)

    SQL

    (d)

    Server Daemon Program

  9. The structure representing the organizational view of entire database is known as ______ in MySQL database.

    (a)

    Schema

    (b)

    View

    (c)

    Instance

    (d)

    Table

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