DB 2 Viper数据服务器提供了许多新功能，这些功能包括：灵活的安全选项、数据存储优化以及针对存储、管理和查询XML数据而改进的支持。
The DB2 Viper data server provides many new capabilities including: flexible security options, data storage optimization, and improved support for storing, managing, and querying XML data.
延迟加载：它的目的是优化数据服务器的内存利用率，当程序启动后优先加载那些需要加入到内存的对象，不需要加载的推后加载。
Lazy loading: The purpose of lazy loading is to optimize memory utilization of database servers by prioritizing components that need to be loaded into memory when a program is started.
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