If data bulk is very great, can reserve base expresses backup, reshipment hind undertakes extracting, (professional personage ability undertakes this, discreet) can reduce a few workload.
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- 假如数据量很大,可以吧库存基础表备份,重装后进行提取,(这个是专业人士才能进行的,慎重)可以减少一些工作量。