jlinks

Nice article regarding JPA and database performance: https://weblogs.java.net/blog/caroljmcdonald/archive/2009/08/28/jpa-performance-dont-ignore-database-0

Adding Hibernate native SQL features into your Spring Data Repository JPA provides @NamedNativeQuery for you to use native SQL. However, the usage is not so convenient, especially when you need to map multiple entities in your native SQL. You have to define a set of SqlResultSetMapping mapping which is quite error prone... http://borislam.blogspot.hk/2012/07/adding-hibernate-native-sql-features.html

http://www.developer.com/java/ent/article.php/10933_3577101_2