For each running process, the mapping between virtual and physical address is maintained in a data structure called the page table.
对于每个正在运行的进程，虚拟地址与物理地址之间的映射是在一个称作页表的数据结构中维护的。
A table space is a storage structure containing tables, indexes, large objects, and long data.
表空间是一个包含表、索引、大对象和长数据的存储结构。
Each row in the table identifies a data structure with a potential container object that has a large number of child objects.
表中的每行标识了一个数据结构，它们都带有一个包含大量子对象的潜在容器对象。
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