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来一个简单Sql语句

热度:52   发布时间:2016-04-24 10:44:46.0
【求助】来一个简单Sql语句

有一张刷卡事件表 CardEvent
eventDateTime                personId            personName         areaId      areaName      doorId        doorName      doorType 
2014-05-01 10:00:00         1                            A                             1              一层       1               东门        1
2014-05-01 10:01:02         1                            A                             1              一层       1               东门        1
2014-05-01 10:03:00         1                            A                             1              一层       1               东门        2
2014-05-01 10:20:00         1                            A                             1              一层       1               东门        1
2014-05-01 10:40:00         1                            A                             1              一层       1               西门        1
2014-05-01 10:45:00         1                            A                             1              一层       1               西门        2
2014-05-01 10:56:00         1                            A                             1              一层       1               西门        1
2014-05-01 10:35:00         2                            B                             1              一层       1               西门        3
2014-05-01 10:38:00         2                            B                             1              一层       1               西门        4
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