Databases · Beginner · Hybrid
Data Modeling for APIs
DTO shapes that map cleanly to tables without leaking storage details.
Leaky models create API churn. We iterate sketches before code to save later regret.
Duration: 5 weeks
Tuition (informational): 5,500,000 VND
Final quotes come from admissions. See Money-Back Policy for eligibility.
What ships in the syllabus
- Normalization vs read convenience matrix
- DTO field naming rubric
- Soft delete implications worksheet
- Enum vs lookup table tradeoffs
- Money and currency representation lab
- Time zone storage patterns
- Mentor review of your schema sketch
Outcomes we actually assess
- Produce a normalized schema for a sample marketplace cart
- Draft DTOs that hide internal surrogate keys
- Document money fields with currency policy
Hieu Tran
Database coach for Postgres workloads and migration drills.
FAQ — including what we skip
NoSQL?
Mentioned for contrast; exercises are Postgres-first.
ORM?
Conceptual; SQL DDL provided for labs.
Limitation?
No data warehouse star schema design.
Experience notes
“Money lab used VND examples—finally not USD-only toys.”