This is because Oracle uses a lot of virtual memory, particularly with respect to its System Global Area (SGA), which is used to cache table data, among other things.

这是因为 Oracle 使用大量的虚拟内存，特别是对于其系统全局区域（SGA），这个区域用于缓存表数据和其他东西。

youdao

The data region includes both statically allocated memory (such as global and static data) and dynamically allocated memory (often called the heap).

数据区域同时包括静态分配的内存（比如全局和静态数据）和动态分配的内存（通常称为 堆）。

youdao

The class library uses critical sections internally to protect global data structures, such as those used by the debug memory allocation.

类别程式库在内部使用关键区段来保护全域资料结构，例如侦错记忆体配置所使用的资料结构。

youdao