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

Data Models into Database Designs

Data Models into Database Designs
For every relationship, there are six possible referential integrity actions.

True
False

ANSWER DOWNLOAD EXAMIANS APP

Data Models into Database Designs
All primary keys are required.

True
False

ANSWER DOWNLOAD EXAMIANS APP

Data Models into Database Designs
If a relationship has a cascade updates constraint, then if ________ in the parent table is changed, then the same change will automatically be made to any corresponding foreign key value.

any alternate key
a foreign key
the primary key
a surrogate key

ANSWER DOWNLOAD EXAMIANS APP

Data Models into Database Designs
When transforming an entity-relationship model into a relational database design, each entity is represented as a table.

True
False

ANSWER DOWNLOAD EXAMIANS APP

Data Models into Database Designs
In 1:N relationships, which entity becomes the parent entity is arbitrary.

True
False

ANSWER DOWNLOAD EXAMIANS APP

Data Models into Database Designs
Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship?

Both of the above
MUST NOT
None of these
MUST COVER

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Data Models into Database Designs

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
↑