数据库服务器在虚拟区中管理内存的分配和解除分配。
The database server manages the allocation and de-allocation of memory in this portion.
因而，下一节将概略介绍程序员在采用传统数据缓冲区管理方案时所面对的各种问题。
As such, the next section Outlines the various problems programmers currently face when they adopt a conventional data buffer management scheme.
如果存储过程被注册为FENCED，那么数据库管理器就禁止过程访问它的内部资源(比如数据缓冲区)。
If a stored procedure is registered as FENCED, the database manager protects its internal resources (for example, data buffers) from access by the procedure.
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