You have extensive knowledge of your class 你必须要对于你的职业有大量、广泛的知识。
2.
This lesson provides basic practice for database administrators who are new to the database engine tuning advisor graphical user interface and for system administrators who may not have extensive knowledge of physical design structures 本课程为那些对于数据库引擎优化顾问图形用户界面陌生的数据库管理员和不太熟悉物理设计结构的系统管理员提供了基本练习。
