← Exit to Module 15: Database Access lessons
Module progress · 0%Lesson · 18 min
Module 15: Database Access
Lesson focusJDBC Fundamentals
Establish connections, execute statements, and process result sets.
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
Load drivers via the Service Provider mechanism; modern JDBC auto-registers drivers on the classpath.
Use try-with-resources to manage Connection, PreparedStatement, and ResultSet lifecycles.
Favor PreparedStatement over Statement to prevent SQL injection and benefit from parameter binding.