Difference between revisions of "Entities and Attributes"

From rbachwiki
Jump to navigation Jump to search
(Created page with "Conceptual model: A data model, usually represented by an entity relationship diagram (ERD)")
 
Line 1: Line 1:
Conceptual model: A data model, usually represented by an entity relationship diagram (ERD)
*Conceptual model: A data model, usually represented by an entity relationship diagram (ERD)
*Physical model: A design for an object (a car, a house, a database, etc) which includes implementation details such as size, volume, weight, etc)

Revision as of 21:56, 7 September 2017

  • Conceptual model: A data model, usually represented by an entity relationship diagram (ERD)
  • Physical model: A design for an object (a car, a house, a database, etc) which includes implementation details such as size, volume, weight, etc)