database access security造句

in the essay, discussions are focused on the transparency of database linkage and location, error management in remote control, treatment of suspending matters, referential integrity constraint, database access security and inquiry optimization
文中，对oracle分布式数据库系统设计与实现中的数据库链接与位置透明性、远程过程中错误的管理、悬而未决事务的处理、参照完整性约束、数据库访问的安全性以及查询优化几个部分重点进行了探索。
It's difficult to find database access security in a sentence. 用database access security造句挺难的