在载入时间，程序码存取安全系统会检查所有原则层级，产生的使用权限授权是每一个层级中所有允许的使用权限的交集。
At load time, the code access security system examines all policy levels and the resulting permission grant is the intersection of all allowed permissions in each level.
根据预设，精灵可产生与ole db层级0相容的程序码。
By default, the wizards generate code that is OLE DB level 0 compliant.
程序码存取安全性也可以提高程序码的各种信任层级，使必须完全受信任才可执行的程序码数量减少。
Code access security also enforces the varying levels of trust on code, which minimizes the amount of code that must be fully trusted in order to run.
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