Quiz Discussion

SELECT emp_name
FROM department
WHERE dept_name LIKE ’ _____ Computer Science’;

Which one of the following has to be added into the blank to select the dept_name which has Computer Science as its ending string?

Course Name: SQL -Structured Query Language

  • 1]

    %

  • 2]

    _

  • 3]

    ||

  • 4]

    $

Solution
No Solution Present Yet

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# Quiz
1
Discuss

Course(course_id,sec_id,semester)

Here the course_id,sec_id and semester are __________ and course is a _________

  • 1]

    Relations, Attribute

  • 2]

    Attributes, Relation

  • 3]

    Tuple, Relation

  • 4]

    Tuple, Attributes

Solution
2
Discuss

A domain is atomic if elements of the domain are considered to be ____________ units.

  • 1]

    Different

  • 2]

    Indivisbile

  • 3]

    Constant

  • 4]

    Divisible

Solution
3
Discuss

The most commonly used operation in relational algebra for projecting a set of tuple from a relation is

  • 1]

    Join

  • 2]

    Projection

  • 3]

    Select

  • 4]

    Union

Solution
4
Discuss

The ________ clause is used to list the attributes desired in the result of a query.

  • 1]

    Where

  • 2]

    Select

  • 3]

    From

  • 4]

    Distinct

Solution
5
Discuss

The term _______ is used to refer to a row.

  • 1]

    Attribute

  • 2]

    Tuple

  • 3]

    Field

  • 4]

    Instance

Solution
6
Discuss
SELECT name ____ instructor name, course id
FROM instructor, teaches
WHERE instructor.ID= teaches.ID;

Which keyword must be used here to rename the field name?

  • 1]

    From

  • 2]

    Rename

  • 3]

    As

  • 4]

    Join

Solution
7
Discuss

Using which language can a user request information from a database?

  • 1]

    Query

  • 2]

    Relational

  • 3]

    Structural

  • 4]

    Compiler

Solution
8
Discuss

’_____’ matches any string of ______ three characters. ’_____%’ matches any string of at ______ three characters.

  • 1]

    Atleast, Exactly

  • 2]

    Exactly, Atleast

  • 3]

    Atleast, All

  • 4]

    All, Exactly

Solution
9
Discuss

Which one of the following is procedural language?

  • 1]

    Domain relational calculus

  • 2]

    Tuple relational calculus

  • 3]

    Relational algebra

  • 4]

    Query language

Solution
10
Discuss

The result which the operation contains all pairs of tuples from the two relations, regardless of whether their attribute values match.

  • 1]

    Join

  • 2]

    Cartesian product

  • 3]

    Intersection

  • 4]

    Set difference

Solution
# Quiz