Welcome to the Data Storage and Querying MCQs Page

Dive deep into the fascinating world of Data Storage and Querying with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Storage and Querying, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Storage and Querying, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within DBMS.

Check out the MCQs below to embark on an enriching journey through Data Storage and Querying. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of DBMS.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Data Storage and Querying. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Storage and Querying MCQs | Page 16 of 21

Explore more Topics under DBMS

01

DBMS Basics

02

Data Models

03

The Entity Relationship Approach

04

Relational Databases

05

Relational Algebra

06

Normalization

07

Storage and File Structures

08

Indexing and Hashing

09

Transactions

10

Concurrency Control

11

Recovery System

12

Distributed Databases

13

SQL

14

Data Warehousing and Data Mining

15

RDBMS

16

Advanced SQL

17

SQL Queries,Constraints and Triggers

Q151.

Which algorithm uses equality comparison on a key attribute with a primary index to retrieve a single record that satisfies the corresponding equality condition.

Discuss

Answer: (a).A2

Q152.

The strategy can retrieve a single record if the equality condition is on a key;multiple records may be retrieved if the indexing field is not a key is

Discuss

Answer: (b).A4

Q153.

The algorithm that uses a secondary ordered index to guide retrieval for comparison conditions involving <,≤,≥, or > is

Discuss

Answer: (d).A6

Q154.

The ___ algorithm scans each index for pointers to tuples that satisfy an individual condition.

Discuss

Answer: (c).A9

Q155.

If access paths are available on all the conditions of a disjunctive selection, each index is scanned for pointers to tuples that satisfy the individual condition. This is satisfied by

A10

Discuss

Answer: (a).A10

Q156.

Conjunctive selection using one index. This is

A10

Discuss

Answer: (b).A7

Q157.

A_____ is a query that retrieves rows from more than one table or view:

Start

End

Join

All of the mentioned

Discuss

Answer: (c).Join

Q158.

A condition is referred to as __________

Join in SQL

Join condition

Join in SQL & Condition

None of the mentioned

Discuss

Answer: (b).Join condition

Q159.

Which oracle is the join condition is specified using the WHERE clause:

Oracle 9i

Oracle 8i

Pre-oracle 9i

Pre-oracle 8i

Discuss

Answer: (c).Pre-oracle 9i

Q160.

Which are the join types in join condition:

Cross join

Natural join

Join with USING clause

All of the mentioned

Discuss

Answer: (d).All of the mentioned

Page 16 of 21

Welcome to the Data Storage and Querying MCQs Page

Data Storage and Querying MCQs | Page 16 of 21

Explore more Topics under DBMS

DBMS Basics

Data Models

The Entity Relationship Approach

Relational Databases

Relational Algebra

Normalization

Storage and File Structures

Indexing and Hashing

Transactions

Concurrency Control

Recovery System

Distributed Databases

SQL

Data Warehousing and Data Mining

RDBMS

Advanced SQL

SQL Queries,Constraints and Triggers

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