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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.

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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 20 of 21

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Q191.
How inserting data through stored procedure do reduces network traffic and increase database performance?

a.

Stored procedure can accept parameter

b.

Permission check is not required

c.

The execution plan is stored in the cache after it was executed the first time

d.

None of the mentioned

Discuss
Answer: (c).The execution plan is stored in the cache after it was executed the first time
Q192.
Stored procedures are safe from SQL injection attacks

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q193.
Which of the following connection type supports application role permissions and password encryption?

a.

OLE DB

b.

DBLib

c.

ODBC

d.

OLE DB and ODBC

Discuss
Answer: (d).OLE DB and ODBC
Q194.
Cursor that reflects the changes made to the database table even after the result set is returned

a.

Static

b.

Dynamic

c.

FORWARD_ONLY

d.

Keyset

Discuss
Answer: (b).Dynamic
Q195.
_______________ is a procedural extension of Oracle – SQL that offers language constructs similar to those in imperative programming languages.

a.

SQL

b.

PL/SQL

c.

Advanced SQL

d.

PQL

Discuss
Answer: (b).PL/SQL
Q196.
___________ combines the data manipulating power of SQL with the data processing power of Procedural languages.

a.

PL/SQL

b.

SQL

c.

Advanced SQL

d.

PQL

Discuss
Answer: (a).PL/SQL
Q197.
_______________ has made PL/SQL code run faster without requiring any additional work on the part of the programmer.

a.

SQL Server

b.

My SQL

c.

Oracle

d.

SQL Lite

Discuss
Answer: (c).Oracle
Q198.
A line of PL/SQL text contains groups of characters known as

a.

Lexical Units

b.

Literals

c.

Textual Units

d.

Identifiers

Discuss
Answer: (a).Lexical Units
Q199.
We use ______________ name PL/SQL program objects and units.

a.

Lexical Units

b.

Literals

c.

Delimiters

d.

Identifiers

Discuss
Answer: (d).Identifiers
Q200.
A ___________________ is an explicit numeric, character, string or Boolean value not represented by an identifier.

a.

Comments

b.

Literals

c.

Delimiters

d.

Identifiers

Discuss
Answer: (b).Literals
Page 20 of 21

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