Classical

Database MCQ - Query languages SQL

6:  

The statement in SQL which allows to change the definition of a table is

A.

Alter.

B.

Update.

C.

Create.

D.

Select.

 
 

Option: A

Explanation :


7:  

 Which of the following is correct:

A.

a SQL query automatically eliminates duplicates.

B.

SQL permits attribute names to be repeated in the same relation.

C.

a SQL query will not work if there are no indexes on the relations

D.

None of these

 
 

Option: D

Explanation :


8:  

Which of the following is a valid SQL type?

A.

CHARACTER

B.

NUMERIC

C.

FLOAT

D.

All of the above

 
 

Option: D

Explanation :


9:  

Which of the following operations need the participating relations to be union compatible?

A.

UNION

B.

INTERSECTION

C.

DIFFERENCE

D.

All of the these

 
 

Option: D

Explanation :


10:  

The full form of DDL is

A.

Dynamic Data Language

B.

Detailed Data Language

C.

Data Definition Language

D.

Data Derivation Language

 
 

Option: C

Explanation :




Suggest an improvement

 


Syllabus covered in this section is-

  • E- R diagrams and their transformation, to relational design
  •  Normalization - l NF, 2NF, 3NF
  •  BCNF and 4NF.Limitations of 4NF and BCNF
  • SQL :Data Definition Language (DDL) , Data Manipulation Language (DML), Data Control Language· (DCL)-
  • Database objects like Views, indexes, sequences, synonyms, Data dictionary
  • Database Concepts
  • Data Models,
  • Design of Relational Database
  • Query Processing and Optimization
  • Centralized and Distributed Database
  •  Security.
  •  Concurrency and Recovery in Centralized and Distributed Database Systems,
  • Object Oriented Database Management
  • Systems (Concepts, Composite objects, Integration with ROBMS applications),

 

This Section covers Data Warehousing Questions Answers .These questions can be used for the preparation of various competitive and academic exams like

  • Undergraduate Computer Science Examinations
  • Graduate Aptitude Test in Engineering (GATE)
  • Post Graduate Exams
  •  PhD Entrance Exam
  • Computer Engineering
  • UGC NET
  • Pre PhD Entrance Exam
  • DOEACC Exams
  • Kendriya Vidyalaya Sangathan Entrance Exam

Who can benefit

  • DBMS MCQ can be useful for the students who are pursuing any undergraduate or post graduate degree in Computer Science like BE, ME, Btech, MTech, .BSc, Msc, BCA, MCA or any other such degree
  • DBMS MCQ with Answers and explanation can also be useful for the students who are preparing for any competitive Exam or recruitment exams like GATE or UGC NET Computer Science, Kendriya Vidyalaya Sangathan PGT Entrance Exam, PSU, IES, Bank Exams or any other such Exam.
  • DBMS Multiple Choice Questions Answers  can also be used by any candidate who wants to gain credits in DBMS in BS  or MS Computer Science,
  • Database management System Multiple Choice Questions with Answers can also be used by student who is pursuing degree/diploma in Information Technology like BSc in Information Techology, Msc in Information Technology or any other such degree.
  • This section can also be used by any student who is preparing for PhD Entrance Exam, Pre PhD Entrance Exam, NET JRF Entrance exam and many more.
  • Any student who is preparing for DOEACC A Level, DOEACC B Level and DOEACC C Level exams can also use Database Questions Answers.
  • You can also get free Database mcq pdf from site.
  • You can download Database MCQ pdf from this site.
  • You can get access to DBMS Multiple Choice Questions Answers EBook.

 

Various Search Terms used for this section are

  • DBMS quiz questions with answers

  • DBMS exam questions answers

  • DBMS MCQ questions Answers

  • DBMS MCQ

  • DBMS MCQ Pdf Download