Database Architecture & Modeling - Chapterwise Database Management System Multiple Choice Questions and Answers

Questions

26 Which one is an incorrect statement about a view ?

A A view is derived from other tables

B It can be updated like a table

C DROP VIEW is used to dispose it

D All are correct statement

Answer: Option [D]

27 Which one is lowest level data model ?

A physical data model

B logical data model

C external data model

D none of the above

Answer: Option [A]

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28 Which of these is not TRUE in case of responsibilities of Database Administrator (DBA) ?

A Acquiring hardware and software resources

B Authorizing access to database

C Data entry in to the database

D All the above statements are true

Answer: Option [D]

29 In order to use a DBMS, it is important to understand :

A the physical schema

B all subschemas that the system supports

C one subschema

D both [A] and [B]

Answer: Option [C]

30 Data items grouped together for storage purposes are called a :

A record

B title

C list

D string

Answer: Option [A]

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