Advanced database multiple choice question

Advanced database multiple choice question

1.  Which operator has the highest precedence?
a) shift
b) unary
c) postfix
d) equality

[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]C[/su_spoiler]

2.  What is the default return type of a function?
a) void
b) char
c) float
d) int

[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]A[/su_spoiler]

3. The switch statement is also known as?
a) selective statement
b) choosing statement
c) certain statement
d) none

[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]A[/su_spoiler]

4. Destination statement is represneted by

a) :

b) $

c) @

d) &

[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]A[/su_spoiler]

5. Which looping process is best?
a) for
b) while
c) do-while
d) none

[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]C[/su_spoiler]

6. Which is method is the  right method of declaring array?

a) array array[];

b) int array[];

c) int array{};

d) array;

[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]A[/su_spoiler]

7. How many characters are in ASCII code?

a) 256

b) 64

c) 128

d) none

[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]D[/su_spoiler]

8. Which one is for character type in C++?

a) wchar

b) char

c) vchar

d) both (a) & (b)

[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]D[/su_spoiler]

9. By default, what is the sign of character type in C++?

a) unsigned

b) implementation dependent

c) signed

d) None

[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]B[/su_spoiler]

10. Which operator can’t be overloaded?

a) >>

b) ;

c) ?:

d) &&

[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]C[/su_spoiler]

11. What does cout stands for?

a) class output

b) console output

c) char output

d) none

[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]B[/su_spoiler]

12. Which can’t be declared as static?

a) object

b) function

c) array

d) none

[su_spoiler title=”Answer – Click Here:” class=”padding: -10px;”]A[/su_spoiler]

 

More MCQs Of Database Systems

1. Database Models MCQs in DBMS
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   2. Network model MCQs in DBMS
   3. Relational model MCQs in DBMS
   4. Object-oriented model MCQs in DBMS
   5. NoSQL databases MCQs in DBMS
2. Relational Database Model MCQs in DBMS
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   2. Primary keys and foreign keys MCQs in DBMS
   3. Integrity constraints MCQs in DBMS
3. SQL (Structured Query Language) MCQs in DBMS
   1. Data Definition Language (DDL) MCQs in DBMS
   2. Data Manipulation Language (DML) MCQs in DBMS
   3. Data Control Language (DCL) MCQs in DBMS
   4. Transaction Control Language (TCL) MCQs in DBMS
   5. Advanced SQL queries and functions MCQs in DBMS
4. Database Design MCQs in DBMS
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   2. Extended ER modeling MCQs in DBMS
   3. Normalization and normal forms (1NF, 2NF, 3NF, BCNF) MCQs in DBMS
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   2. Data independence MCQs in DBMS
   3. DBMS components and functions MCQs in DBMS
6. Storage and File Structure MCQs in DBMS
   1. Data storage on physical media MCQs in DBMS
   2. File organization and access methods MCQs
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   4. RAID technology MCQs in DBMS
7. Query Processing and Optimization MCQs in DBMS
8. Database Transaction Management MCQs in DBMS
   1. ACID properties (Atomicity, Consistency, Isolation, Durability) MCQs in DBMS
   2. Transaction states and lifecycle MCQs in DBMS
   3. Concurrency control techniques (locking, timestamping, multiversion) MCQs in DBMS
   4. Deadlock detection and resolution MCQs in DBMS
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   2. Data encryption techniques MCQs in DBMS
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   4. SQL injection prevention MCQs in DBMS
10. Backup and Recovery MCQs in DBMS
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    3. Disaster recovery planning MCQs in DBMS
11. Distributed Databases MCQs in DBMS
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