Quiz Discussion

The term attribute refers to a ___________ of a table.

Course Name: SQL -Structured Query Language

  • 1]

    Record

  • 2]

    Column

  • 3]

    Tuple

  • 4]

    Key

Solution
No Solution Present Yet

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# Quiz
1
Discuss

Database __________ which is the logical design of the database, and the database _______ which is a snapshot of the data in the database at a given instant in time.

  • 1]

    Instance, Schema

  • 2]

    Relation, Schema

  • 3]

    Relation, Domain

  • 4]

    Schema, Instance

Solution
2
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
3
Discuss

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

  • 1]

    Upper

  • 2]

    String

  • 3]

    Trim

  • 4]

    Lower

Solution
4
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
5
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
6
Discuss

The ______ clause allows us to select only those rows in the result relation of the ____ clause that satisfy a specified predicate.

  • 1]

    Where, from

  • 2]

    From, select

  • 3]

    Select, from

  • 4]

    From, where

Solution
7
Discuss

_____ operator is used for appending two strings.

  • 1]

    &

  • 2]

    %

  • 3]

    ||

  • 4]

    _

Solution
8
Discuss

Which one of the following is procedural language?

  • 1]

    Domain relational calculus

  • 2]

    Tuple relational calculus

  • 3]

    Relational algebra

  • 4]

    Query language

Solution
9
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
10
Discuss

For each attribute of a relation, there is a set of permitted values, called the ________ of that attribute.

  • 1]

    Domain

  • 2]

    Relation

  • 3]

    Set

  • 4]

    Schema

Solution
# Quiz