我有结果集
ID Datetime MID EID Serial ELapsed_time 0 2014-08-11 19:56:20.923 8A 6147 70 123 0 2014-08-12 00:17:06.090 8A 6147 71 261 0 2014-08-12 01:11:25.833 8A 6368 72 54 0 2014-08-12 02:36:40.710 8A 6147 73 85 0 2014-08-12 09:09:15.400 8A 0861 74 393 0 2014-08-12 11:27:21.870 8A 0861 75 138 0 2014-08-12 16:32:10.680 8A 0861 76 305 0 2014-08-12 20:37:16.767 8A 4273 78 245 0 2014-08-12 22:39:49.740 8A 4273 79 122
我的要求是使用Starttime,EndTime,EIDCOUNT
填充表格例如,
新表的开始时间应为2014-08-11 19:56:20.923,结束时间应为2014-08-12 00:17:06.090 和EIDCOUNT是1
和下一行,starttime应为2014-08-12 00:17:06.090,结束时间为2014-08-12 01:11:25.833 和EIDCOUNT是1
和下一行,startime应该是2014-08-12 01:11:25.833,endtime是2014-08-12 02:36:40.710 和EIDCOUNT是1
和下一行,starttime应该是2014-08-12 02:36:40.710,endtime是2014-08-12 16:32:10.680 和EIDCOUNT是3
和下一行,starttime应为2014-08-12 16:32:10.680,endtime为2014-08-12 22:39:49.740,EIDCOUNT为2
StartTime EndTime EIDCOUNT 2014-08-11 19:56:20.923 2014-08-12 00:17:06.090 1 2014-08-12 00:17:06.090 2014-08-12 01:11:25.833 1 2014-08-12 01:11:25.833 2014-08-12 02:36:40.710 1 2014-08-12 02:36:40.710 2014-08-12 16:32:10.680 3 2014-08-12 16:32:10.680 2014-08-12 22:39:49.740 2
请帮忙。
答案 0 :(得分:0)
我认为你正在寻找这样的东西:
INSERT INTO TargetTable(StartTime, EndTime, EIDCOUNT)
SELECT MIN(DateTime), MAX(DateTime), COUNT(*)
FROM SourceTable
GROUP BY EID
您的源数据只有四个不同的EID值(0861,4273,6147,6368),因此看起来您的EIDCOUNT应为3,2,3和1。