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面试最后一问把我整懵了
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程序员 - @nockyQ - 今天面试的最后一道问题。 内容是做年度数据报表，千万级的数据量需要在屏幕上分页展示。目前问题是查询太慢该如何解决。我的回答是加索引。结果面试官的回答是：“还是慢。”把我整懵不知道怎么回答
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