# Quiz Discussion

Course(course_id,sec_id,semester)

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

Course Name: SQL -Structured Query Language

• 1]

Relations, Attribute

• 2]

Attributes, Relation

• 3]

Tuple, Relation

• 4]

Tuple, Attributes

##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

A relational database consists of a collection of

• 1]

Tables

• 2]

Fields

• 3]

Records

• 4]

Keys

##### Solution
2
Discuss

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

• 1]

Upper

• 2]

String

• 3]

Trim

• 4]

Lower

##### Solution
3
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
4
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
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

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
7
Discuss

The term attribute refers to a ___________ of a table.

• 1]

Record

• 2]

Column

• 3]

Tuple

• 4]

Key

##### Solution
8
Discuss

_____ operator is used for appending two strings.

• 1]

&

• 2]

%

• 3]

||

• 4]

_

##### Solution
9
Discuss

A ________ is a pictorial depiction of the schema of a database that shows the relations in the database, their attributes, and primary keys and foreign keys.

• 1]

Schema diagram

• 2]

Relational algebra

• 3]

Database diagram

• 4]

Schema flow

##### Solution
10
Discuss

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

• 1]

Schematic representation

• 2]

Relational algebra

• 3]

Scheme diagram

• 4]

Relation flow

# Quiz