Quiz Discussion

The _________ provides a set of operations that take one or more relations as input and return a relation as an output.

Course Name: SQL -Structured Query Language

  • 1]

    Schematic representation

  • 2]

    Relational algebra

  • 3]

    Scheme diagram

  • 4]

    Relation flow

Solution
No Solution Present Yet

Top 5 Similar Quiz - Based On AI&ML

Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api

# Quiz
1
Discuss

_____ operator is used for appending two strings.

  • 1]

    &

  • 2]

    %

  • 3]

    ||

  • 4]

    _

Solution
2
Discuss

The term attribute refers to a ___________ of a table.

  • 1]

    Record

  • 2]

    Column

  • 3]

    Tuple

  • 4]

    Key

Solution
3
Discuss

A relational database consists of a collection of

  • 1]

    Tables

  • 2]

    Fields

  • 3]

    Records

  • 4]

    Keys

Solution
4
Discuss

Student(ID, name, dept name, tot_cred)
In this query which attributes form the primary key?

  • 1]

    Name

  • 2]

    Dept

  • 3]

    Tot_cred

  • 4]

    ID

Solution
5
Discuss
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?

  • 1]

    %

  • 2]

    _

  • 3]

    ||

  • 4]

    $

Solution
6
Discuss

The_____ operation allows the combining of two relations by merging pairs of tuples, one from each relation, into a single tuple.

  • 1]

    Select

  • 2]

    Join

  • 3]

    Union

  • 4]

    Intersection

Solution
7
Discuss

The tuples of the relations can be of ________ order.

  • 1]

    Any

  • 2]

    Same

  • 3]

    Sorted

  • 4]

    Constant

Solution
8
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
9
Discuss

In SQL the spaces at the end of the string are removed by _______ function.

  • 1]

    Upper

  • 2]

    String

  • 3]

    Trim

  • 4]

    Lower

Solution
10
Discuss
SELECT name
FROM instructor
WHERE dept name = ’Physics’
ORDER BY name;

By default, the order by clause lists items in ______ order.

  • 1]

    Descending

  • 2]

    Any

  • 3]

    Same

  • 4]

    Ascending

Solution
# Quiz