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Conceptual Data Modeling Use: A Study of Practitioners

Conceptual Data Modeling Use: A Study of Practitioners

Abhishek Sharma, Nenad Jukić, Dinko Bačić, Sippo Rossi, Svetlozar Nestorov
This study investigates the real-world adoption of conceptual data modeling among database professionals. Through a survey of 485 practitioners and 34 follow-up interviews, the research explores how frequently modeling is used, the reasons for its non-use, and its effect on project satisfaction.

Problem Conceptual data modeling is widely taught in academia as a critical step for successful database development, yet there is a lack of empirical research on its actual use in practice. This study addresses the gap between academic theory and industry practice by examining the extent of adoption and the barriers practitioners face.

Outcome - Only a minority of practitioners consistently create formal conceptual data models; fewer than 40% use them 'always' or 'mostly' during database development.
- The primary reasons for not using conceptual modeling include practical constraints such as informal whiteboarding practices (45.1%), lack of time (42.1%), and insufficient requirements (33.0%), rather than a rejection of the methodology itself.
- There is a significant positive correlation between the frequency of using conceptual data modeling and practitioners' satisfaction with the database development outcome.
Conceptual Data Modeling, Entity Relationship Modeling, Relational Database, Database Design, Database Implementation, Practitioner Study