semi-sleep

1. When automatic versioning is used, hibernate generates the following sql: update products set version=?, name=?, description=?, unitCost=?, pubTime=? where id=? and version=? Note that using such ...

1.Three code styles Use hibernate's transaction: session.beginTransaction(); // ... interact with database session.getTransaction().commit(); Use JTA: javax.transaction.UserTransaction tx = new Initia...

1.transaction [done]2.cache3.session operations4.class mapping5.hql6.filter, interceptor, statistic, session context

1.Three types of second level cache: class, collection, query. (class cache does not cache association, so we need collection cache)   2.Four cache modes   3.How different operation use and affect cac...

application objects                (jvm reference) <-> session cache                                (hibernate id) <-> session factory cache                                              ...

You have the option to tell Hibernate which caching implementation to use by specifying the name of a class that implements org.hibernate.cache.CacheProvider using the property hibernate.cache.provi...