Techno Webdev

C# and .NET Development · Hybrid cohort

Entity Framework Core Data Modeling Lab

Model relational data without painting yourself into corners. You will practice split queries, owned types, and soft-delete patterns common in regulated Japanese contexts while keeping migration history legible for auditors and new hires.

JPY 88,000 — informational only

5 weeks · 60 hours · Intermediate · Language: English · Certificate included

Visual treatment for Entity Framework Core Data Modeling Lab

What ships in the syllabus

  • Fluent vs attribute mapping exercises
  • Interceptors for auditing and multi-tenant keys
  • Testing with SQLite or Testcontainers guidance
  • Concurrency tokens with optimistic retry patterns
  • Bulk operations where appropriate
  • Versioned migrations with rollback narratives

Outcomes we assess

  1. Design a bounded context with clear aggregate roots
  2. Write integration tests that isolate the database seam
  3. Produce migration notes your DBA can skim quickly

Lead mentor

Avatar for Rina Okada

Rina Okada

Data modeling reviewer for finance-adjacent APIs.

Participant voices

Interceptors lab mirrored how we separate tenant keys. Concurrency section felt tight but accurate.

— Devon · Fukuoka payments startup · 5/5 · Trustpilot

FAQ for this track

You run Postgres or SQL Server locally; scripts are included.