Which of the following is produced and analyzed during conceptual data modeling?
A. An entity relationship diagram for the project's application
B. A data dialogue diagram for the project's application
C. A Gantt chart for the whole database from which the new application's data are extracted
D. A Network diagram for the whole database from which the new application's data are extracted
E. A data flow diagram that shows how the new system will be physically implemented
Answer: A