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lladsppku

lladsppku

V2EX member #543500, joined on 2021-04-23 22:44:52 +08:00
lladsppku's recent replies
Apr 25, 2021
Replied to a topic by daqin › MySQL › 索引重复了？
第一个和最后一个重复了。而且盲猜 coupon count 和 sourceid 这样的索引也没啥区分度。
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