This portion of the data block contains information about the actual rows in the block (including addresses for each row piece in the row data area).
这部分的数据块包含了有关实际的行的信息(包括行数据区域每个行片段的地址)。
This portion of the data block contains information about the actual rows in the block (including addresses for each row piece in the row data area).
数据块的这部分包涵了关于数据块中拥有行的表的信息。
Kdsgrp Performs get row piece. Typically, row pieces are affected only in case of chained and migrated rows. Row chaining has to be analyzed and fixed.
这个不能确定，另外解决行链接和迁移需要做表移动吧，这样在多大程度上有效呢？
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