时间:2021-07-01 10:21:17 帮助过:16人阅读
id uid scroe-------------1 1 1.52 1 1.83 2 -5.54 3 0.85 2 8.26 1 -27 4 38 2 2.3--------------
用户 分数------------1 1.51 1.81 -21汇总 1.32 -5.52 8.22 2.32汇总 5.03 0.83汇总 0.84 34汇总 3
http://sqlfiddle.com/#!2/8446d2/11
http://sqlfiddle.com/#!2/8446d2/11
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http://sqlfiddle.com/#!2/8446d2/11