jdbc

tment = ? WHERE name = ?")) { pstmt.setString(1, "Marketing"); pstmt.setString(2, "Alice"); pstmt.executeUpdate(); conn.commit(); } catch (SQLException e) { conn.rollback(); e.printStackTrace(); } ``` By disabling auto-commit, you gain finer control over data int

aries like HikariCP or Apache DBCP improves performance. Hard lessons learned: Forgetting to close connections, statements, and result sets leads to resource leaks. Misconfigured pools cause errors or degraded performance. Handling SQL Injection an