question archive Which of the following is NOT a step performed at the conceptual stage of database design O a

Which of the following is NOT a step performed at the conceptual stage of database design O a

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Which of the following is NOT a step performed at the conceptual stage of database design

O a. Data analysis and requirements

O b. Data model verification

O c. Determine a suitable file organisation

O d. Distributed database design

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c. Determine a suitable file organisation

 

Step-by-step explanation

 

 

 

Conceptual Database Design

  • It is the first stage of database design.
  • In this stage we create a Conceptual data model with information such as 
    • main data entities
    • main attibutes
    • relationships 
    • constraints 

Conceptual Design has 4 stages

  1. Data analysis and requirements
  2. Entity relationship modeling and normalization
  3. Data model verification
  4. Distributed database design

 

 

Database Design has 3 stages.

 

1. Conceptual Design
2. Logical Design
3. Physical Design

 

 

Determine a suitable file organisation is step of Physical Database Design Stage.