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12th Standard Computer Science Data Manipulation Through SQL English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021

12th Standard

    Reg.No. :
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Computer Science

Time : 00:10:00 Hrs
Total Marks : 10

    Answer all the questions

    10 x 1 = 10
  1. Which of the following is an organized collection of data?

    (a)

    Database

    (b)

    DBMS

    (c)

    Information

    (d)

    Records

  2. Which of the following is a control structure used to traverse and fetch the records of the database?

    (a)

    Pointer

    (b)

    Key

    (c)

    Cursor

    (d)

    Insertion point

  3. Which of the following executes the SQL command to perform some action?

    (a)

    Execute()

    (b)

    Key()

    (c)

    Cursor()

    (d)

    run()

  4. The function that returns the largest value of the selected column is

    (a)

    MAX()

    (b)

    LARGE()

    (c)

    HIGH()

    (d)

    MAXIMUM()

  5. The most commonly used statement in SQL is

    (a)

    cursor

    (b)

    select

    (c)

    execute

    (d)

    commit

  6. Which SQlite method is used to fetch the required number of rows in the database table?

    (a)

    fetch ( )

    (b)

    fetchamany ( )

    (c)

    fetchrows ( )

    (d)

    tablerows ( )

  7. Which SQlite keyword is used to fetch only the unique value from database table?

    (a)

    UNIQUE

    (b)

    DISTINCT

    (c)

    GROUPBY

    (d)

    HAVING

  8. In which class the group functions can be used?

    (a)

    WHERE

    (b)

    HAVING

    (c)

    DISTINCT

    (d)

    GROUP BY

  9. Which of the following operator cannot be used to filter records based on more than one condition?

    (a)

    AND

    (b)

    OR

    (c)

    XOR

    (d)

    NOT

  10. _________ program can interact as a user of a SQL database.

    (a)

    C++

    (b)

    Python

    (c)

    Java

    (d)

    C

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