A common mistake is designing entity mappings based solely on the object model without considering the generated SQL. 14 High-Performance Java Persistence Tips - Vlad Mihalcea
High-Performance Java Persistence: A Guide to Scalable Data Access High-Performance Java Persistence
The foundation of any Java data access layer is . Even when using JPA, the performance of your application is heavily dictated by how you handle raw database interactions. A common mistake is designing entity mappings based
Use PreparedStatements to allow the database to cache execution plans. This reduces parsing overhead and protects against SQL injection. High-Performance Java Persistence
Instead of sending 100 separate INSERT statements, use JDBC batching to send them in a single network round-trip. For Hibernate users, this requires setting hibernate.jdbc.batch_size . 2. Optimize JPA & Hibernate Mapping