1. Question: Which component of an RDBMS validates the syntax of the user's query?

    A
    Query Parser

    B
    The Database Manager

    C
    Query Optimization

    D
    Database Administrator

    Note: Not available
    1. Report
  2. Question: What does the term DDL stand for?

    A
    Data Description Language

    B
    Dynamic Data Language

    C
    Data Definition Language

    D
    Data Derived Language

    E
    Descriptive Data Language

    Note: Not available
    1. Report
  3. Question: Which of the following can be used to uniquely identify a row?

    A
    Primary Key

    B
    Unique Key

    C
    Foreign Key

    D
    All of the above

    Note: Not available
    1. Report
  4. Question: ________ is an operation that displays rows which meet a condition.

    A
    Restriction

    B
    Extraction

    C
    Projection

    D
    Intersection

    E
    Union

    F
    Minus

    G
    None of the above

    Note: Not available
    1. Report
  5. Question: A table Students has a column called name which stores the names of the students. What will be the correct query to display the names of the students in reverse order?

    A
    Select name from students reverse;

    B
    Select name from students reverse name;

    C
    Select name from students order by name descending;

    D
    Select name from students order by name reverse;

    E
    Select name from students order by name desc;

    F
    Select desc name from students

    G
    Select reverse name from students;

    Note: Not available
    1. Report
  6. Question: What items, other than column names can be included in the select clause?

    A
    Arithmetic expressions

    B
    Column aliases

    C
    Concatenated columns

    D
    None of the above

    Note: Not available
    1. Report
  7. Question: Which of the following statements is true? (a)The Insert statement creates new rows (b)The Update statement modifies the table structure

    A
    only (a) is true

    B
    only (b) is true

    C
    both (a) and (b) are true

    D
    both (a) and (b) are false

    Note: Not available
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  8. Question: Which operator will be evaluated first in the following statement: select (age + 3 * 4 / 2 - 8) from emp

    A
    +

    B
    -

    C
    /

    D
    *

    Note: Not available
    1. Report
  9. Question: What are the columns of a table called in a relational model?

    A
    Attributes

    B
    Rows

    C
    Tuples

    D
    Constraints

    E
    Keys

    F
    Indexes

    G
    Sets

    H
    Elements

    Note: Not available
    1. Report
  10. Question: The level of data abstraction which describes how the data is actually stored is?

    A
    Physical level

    B
    Conceptual level

    C
    Storage level

    D
    File level

    Note: Not available
    1. Report
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