If the database designer has created a Primary partition Index on a table, queries should incorporate the partitioning column.

如果数据库设计者已在表上创建了主分区索引，那么查询应当与分区列结合。

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The primary boot loader that resides in the MBR is a 512-byte image containing both program code and a small partition table (see Figure 2).

MBR 中的主引导加载程序是一个 512 字节大小的映像，其中包含程序代码和一个小分区表（参见图 2）。

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