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big data
Hive 常见笔试题一、累计次数1.1、 编写sql实现每个用户截止到每月为止的最大单月访问次数和累计到该月的总访问次数数据集A,2015-01,5 A,2015-01,15 B,2015-01,5 A,2015-01,8 B,2015-01,25 A,2015-01,5 A,20...
2021-10-12 20:33
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