Welcome to the SQL Queries,Constraints and Triggers MCQs Page

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

SQL Queries,Constraints and Triggers MCQs | Page 12 of 17

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Advanced SQL

Q111.

Which of the following function is used to find the column count of the particular resultset ?

getMetaData()

Metadata()

getColumn()

get Count()

Discuss

Answer: (a).getMetaData()

Q112.

Which of the following is a following statement is a prepared statements ?

Insert into department values(?,?,?)

Insert into department values(x,x,x)

SQLSetConnectOption(conn, SQL AUTOCOMMIT, 0)

SQLTransact(conn, SQL ROLLBACK)

Discuss

Answer: (a).Insert into department values(?,?,?)

Q113.

Which of the following is used as the embedded SQL in COBOL ?

EXEC SQL <embedded SQL statement >;

EXEC SQL <embedded SQL statement > END-EXEC

EXEC SQL <embedded SQL statement >

EXEC SQL <embedded SQL statement > END EXEC;

Discuss

Answer: (b).EXEC SQL <embedded SQL statement > END-EXEC

Q114.

Which of the following is used to distinguish the variables in SQL from the host language variables ?

–

Discuss

Answer: (b).–

Q115.

The update statement can be executed in host language using

EXEC SQL UPDATE c;

EXEC SQL UPDATE c INTO :si, :sn;

EXEC SQL
UPDATE instructor
SET salary = salary + 100
WHERE CURRENT OF c;

EXEC SQL UPDATE END-SQL

Discuss

Answer: (c).EXEC SQL
UPDATE instructor
SET salary = salary + 100
WHERE CURRENT OF c;

Q116.

Which of the following is used to access large objects from a database ?

setBlob()

getBlob()

getClob()

all of the mentioned

Discuss

Answer: (d).all of the mentioned

Q117.

Find the error in the the below statement:

Create function dept count(dept_name varchar(20))
begin
declare d count integer;
select count(*) into d count
from instructor
where instructor.dept_name= dept_name
return d count;
end

Return type missing

Dept_name is mismatched

Reference relation is not mentioned

All of the mentioned

Discuss

Answer: (a).Return type missing

Q118.

Which of the following is used to input the entry and give the result in a variable in a procedure ?

Put and get

Get and put

Out and In

In and out

Discuss

Answer: (d).In and out

Q119.

Which of the following is used to call the procedure given above ?

Create procedure dept_count proc(in dept name varchar(20),
out d count integer)
begin
select count(*) into d count
from instructor
where instructor.dept name= dept count proc.dept name
end

Declare d_count integer;

Declare d_count integer;
call dept_count proc(’Physics’, d_count);

Declare d_count integer;
call dept_count proc(’Physics’);

Declare d_count;
call dept_count proc(’Physics’, d_count);

Discuss

Answer: (b).Declare d_count integer;
call dept_count proc(’Physics’, d_count);

Q120.

The format for compound statement is

Begin ……. end

Begin atomic……. end

Begin ……. repeat

Both Begin ……. end and Begin atomic……. end

Discuss

Answer: (d).Both Begin ……. end and Begin atomic……. end

Page 12 of 17

Welcome to the SQL Queries,Constraints and Triggers MCQs Page

SQL Queries,Constraints and Triggers MCQs | Page 12 of 17

Explore more Topics under DBMS

DBMS Basics

Data Models

The Entity Relationship Approach

Relational Databases

Data Storage and Querying

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

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