← Exit to Module 15: Database Access lessons
Module progress · 0%Lesson · 35 min
Module 15: Database Access
Lesson focusMini-Project: Simple CRUD Service
Build a CLI or REST service that performs CRUD operations using JDBC or Spring Data.
01 · 18 minJDBC FundamentalsLocked02 · 14 minConnection Pooling EssentialsLocked03 · 20 minTransactions & Isolation LevelsLocked04 · 20 minJPA & Hibernate BasicsLocked05 · 18 minEntity Relationships & CascadingLocked06 · 35 minMini-Project: Simple CRUD ServiceLocked
Design tables, implement DAO/repository layers, and expose service methods for create/read/update/delete.
Handle validation, optimistic locking, and transaction boundaries.
Add integration tests using Testcontainers or in-memory databases.