Data Models
(แบบจำลองข้อมูล)
Definition
Data Models (แบบจำลองข้อมูล) Hard Skill
Data models are abstract representations of the structures, relationships, and constraints within a dataset, used to organize and manage data effectively for analysis and application development.
Expertise Level
Level 1
Basic
1. Understands fundamental concepts of data modeling.
2. Can identify and describe basic data entities and their attributes.
3. Able to use simple diagrams like ER diagrams to represent data.
Level 2
Intermediate
1. Designs normalized data models to reduce redundancy.
2. Can define relationships and constraints between data entities.
3. Uses data modeling tools effectively for complex datasets.
Level 3
Advanced
1. Creates comprehensive data architecture supporting business requirements.
2. Applies advanced modeling techniques including dimensional and object-oriented models.
3. Optimizes data models for performance and scalability in large systems.
