Persistentlines of gentle inquiry will gradually reveal precisely what you most need to know.
而不断温和的询问将使你最想了解的事情逐渐显露出来。
2
The file third is second without the add_attribute lines or "use Persistent: : MySQL", and with Listing 11 added.
文件third是文件second去掉add_attribute行和“ use Persistent: MySQL ”,而添加了清单11的结果。
3
So, one need only add a few lines of code to an application and create a simple mapping file for each persistent class, and NHibernate takes care of all database operations.