Generally speaking, most configurations align every row of stars with the gaps of the previous row, making the stars less cramped.
总的说来,多数模式中每行星星的排列将对准上一行星星之间的空隙,插空排列,以使得其更为舒展。
If you need only to compute the distance and not alignments, as is usually the case, it is easy to reduce this to o (n), since only the previous row is required to compute the next.
如果您只需要计算距离,不需要校准,就像通常情况那样,那么可以很容易地把空间需求降到O (n),因为计算下一行只需要前面一行。
When a row in a temporal table is updated, DB2 updates the row and DB2 will automatically move the previous version of the row to a history table.
当时态表中的一行被更新时,DB2更新该行并自动将该行的以前版本转移到一个历史表中。
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