摘要:
Write a SQL query to find all numbers that appear at least three times consecutively. For example, given the above Logs table, 1 is the only number th 阅读全文
posted @ 2017-01-21 05:13
lettuan
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摘要:
参考: https://my.oschina.net/Tsybius2014/blog/493244 常见的排序1. 排名1,2,3,...,n 不对重复的分数做特殊处理 Score Rank 100 1 99 2 99 3 98 4 90 5 排序2. 相同分数排名相同,排名第n名表示前面有n-1 阅读全文
posted @ 2017-01-21 04:58
lettuan
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