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卷面很多英文~，要有英文阅读能力 问卷有单选题，多选题，问答题写出获取报表的SQLuser recore | ID | userid | datetime |
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| 1 | 1 | 2019-08-05 13:21:08 | | 2 | 1 | 2019-08-06 13:21:08 | | 3 | 2 | 2019-08-06 13:21:08 | | 4 | 3 | 2019-08-06 13:21:08 | | 5 | 4 | 2019-08-07 13:21:08 | | 6 | 5 | 2019-08-07 13:21:08 |
获取报表 | datetime | count |
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| 2019-08-05 | 1 | | 2019-08-06 | 2 | | 2019-08-07 | 2 |
Laravel 的文档一份。看完后实现 collection类。faltMap，groupBy，还有别的辅助函数事务隔离级别(可重复读的情况下)user | sessionA | sessionB |
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| start | start | | select * from user where id = 1 |
| | update user set age = age + 1 where id = 1 | select * from user where id = 1 | | commit |
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| update user set age = age + 1 where id = 1 |
| commit | | select * from user where id = 1 |
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json数据归类层级不限 内容记不清了。反正我用了递归 面试会问MySQL索引，fpm跟cli的区别，es，乐观锁，日志查询数据，微服务架构，k8s，docker，redis
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