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Welcome to the Transactions MCQs Page

Dive deep into the fascinating world of Transactions with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Transactions, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of Transactions, 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 Transactions. 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 Transactions. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Transactions MCQs | Page 10 of 15

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Q91.
In SQL, which command is used to issue multiple CREATE TABLE, CREATE VIEW and GRANT statements in a single transaction?

a.

CREATE PACKAGE

b.

CREATE SCHEMA

c.

CREATE CLUSTER

d.

All of the mentioned

Discuss
Answer: (b).CREATE SCHEMA
Q92.
Which character function can be used to return a specified portion of a character string?

a.

INSTR

b.

SUBSTRING

c.

SUBSTR

d.

POS

Discuss
Answer: (c).SUBSTR
Q93.
Which of the following is TRUE for the System Variable $date$?

a.

Can be assigned to a global variable

b.

Can be assigned to any field only during design time

c.

Can be assigned to any variable or field during run time

d.

Can be assigned to a local variable

Discuss
Answer: (b).Can be assigned to any field only during design time
Q94.
What are the different events in Triggers?

a.

Define, Create

b.

Drop, Comment

c.

Insert, Update, Delete

d.

Select, Commit

Discuss
Answer: (c).Insert, Update, Delete
Q95.
The SQL statement SELECT SUBSTR(‘123456789’, INSTR(‘abcabcabc’,’b’), 4) FROM EMP; prints

a.

6789

b.

2345

c.

1234

d.

456789

Discuss
Answer: (b).2345
Q96.
Which of the following SQL command can be used to modify existing data in a database table?

a.

MODIFY

b.

UPDATE

c.

CHANGE

d.

NEW

Discuss
Answer: (b).UPDATE
Q97.
When SQL statements are embedded inside 3GL, we call such a program as

a.

Nested query

b.

Nested programming

c.

Distinct query

d.

Embedded SQL

Discuss
Answer: (d).Embedded SQL
Q98.
_______________ provides option for entering SQL queries as execution time, rather than at the development stage.

a.

PL/SQL

b.

SQL*Plus

c.

SQL

d.

Dynamic SQL

Discuss
Answer: (d).Dynamic SQL
Q99.
Each modification done in database transaction are first recorded into the

a.

Harddrive

b.

Log

c.

Disk

d.

Datamart

Discuss
Answer: (b).Log
Q100.
_______ means that data used during the execution of a transaction cannot be used by a second transaction until the first one is completed.

a.

Serializability

b.

Atomicity

c.

Isolation

d.

Time stamping

Discuss
Answer: (c).Isolation
Page 10 of 15

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