Data Modeling
(การสร้างแบบจำลองข้อมูล)
Definition
Data Modeling (การสร้างแบบจำลองข้อมูล) Hard Skill
The process of creating abstract representations of data structures to efficiently organize, store, and manage information within systems.
Expertise Level
Level 1
Basic
1. Understands basic concepts of data and simple data structures.
2. Can identify key data elements and relationships.
3. Familiar with common data modeling terms and purposes.
Level 2
Intermediate
1. Creates logical data models representing real-world entities and relationships.
2. Uses standard notations like ER diagrams to visualize data structures.
3. Can normalize data models to reduce redundancy.
Level 3
Advanced
1. Designs complex data models integrating multiple data sources and business rules.
2. Optimizes data models for performance and scalability.
3. Applies advanced modeling techniques such as dimensional and object-oriented modeling.
