• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Introduction to Database System

Introduction to Database System
A key is a group of one or more attributes that uniquely identifies a row.

True
False

ANSWER DOWNLOAD EXAMIANS APP

Introduction to Database System
Which of the following is not a restriction for a table to be a relation?

The columns must be ordered.
No two rows in a table may be identical.
The cells of the table must contain a single value.
All of the entries in any column must be of the same kind.

ANSWER DOWNLOAD EXAMIANS APP

Introduction to Database System
The master list of an indexed file

has a number assigned to each record
is sorted in ascending order
contains only a list of keys and record numbers
both (b) and (c)
None of these

ANSWER DOWNLOAD EXAMIANS APP

Introduction to Database System
The degree of a relationship refers to the number of entity classes in the relationship.

True
False

ANSWER DOWNLOAD EXAMIANS APP

Introduction to Database System
When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):

normal form.
insertion anomaly.
referential integrity constraint.
transitive dependency.

ANSWER DOWNLOAD EXAMIANS APP

Introduction to Database System
A data dictionary doesn't provide information about:

It allows a many-to-many relationship
where data is located
It is conceptually simple
It will be the dominant data base of the future
the size of the disk storage device

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Introduction to Database System

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑