Databases · Intermediate · Live online
Practical Sequelize to SQL Bridge
When ORMs help, when raw SQL returns, and how to migrate safely.
ORMs are not enemies—opaque usage is. We draw explicit lines between convenience helpers and performance-critical paths.
Duration: 4 weeks
Tuition (informational): 5,900,000 VND
Final quotes come from admissions. See Money-Back Policy for eligibility.
What ships in the syllabus
- Explain plan reading clinic
- Migration diff review rubric
- Transaction boundary tracing in Sequelize hooks
- N+1 detection lab
- Typed models vs flexibility tradeoffs
- Escape hatch patterns for literal SQL
- Office hours with database coach
Outcomes we actually assess
- Resolve one N+1 in a sample app with proof in logs
- Ship a migration reviewed using our rubric
- Document one hook removal rationale
Lan Pham
Former platform lead; focuses on Node service boundaries and contract tests.
FAQ — including what we skip
TypeORM?
Concepts transfer, but code samples stay Sequelize-first.
NoSQL?
Not in this cohort; relational focus only.
Limitation?
We do not tune hardware; query and schema focus only.
Experience notes
“N+1 lab used our real join pattern anonymized—spooky accurate.”