Master In Computer Science

Database Systems Quizzes

CS: Database Systems MCQs - Complete

Advanced Aggregation Features Quiz Questions and Answers p. 196

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"Performing ranking along with a groupby clause, partitioning is applieed over the results of the", advanced aggregation features Multiple Choice Questions (MCQ) with choices group by clause, order clause, where clause, and select clause for top computer science schools in the world. Learn advanced sql questions and answers with free online certification courses for online computer science engineering.

Quiz on Advanced Aggregation Features

1.

Performing ranking along with a groupby clause, partitioning is applieed over the results of the

Order clause
Group by clause
Where clause
Select clause

2.

The getColumnCount method returns the

Number of columns
Number of tuples
Number of attributes
Number of relations

3.

The logical design of the database, is known to be

Database instance
Database entity
Database relation
Database Schema

4.

If the assertion is valid, then any future modification to the database is

Violated
Allowed
Not allowed
Not violated

5.

The term UPDATE is also used to refer to three operators i.e. UPDATE, DELETE and

INSERT
SELECT
COLLATE
COMPUTE

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