id,dt_now,dt_sysdate,dt_outer
1,NULL,"2012-03-26 11:46:45","2012-03-26 11:46:45"
2,NULL,"2012-03-26 11:46:55","2012-03-26 11:46:55"
3,"2012-03-26 11:47:00","2012-03-26 11:47:00","2012-03-26 11:46:55"
4,NULL,"2012-03-26 11:47:05","2012-03-26 11:47:05"
5,NULL,"2012-03-26 11:47:15","2012-03-26 11:47:15"
6,"2012-03-26 11:47:20","2012-03-26 11:47:20","2012-03-26 11:47:15"
7,NULL,"2012-03-26 11:47:25","2012-03-26 11:47:25"
8,NULL,"2012-03-26 11:47:35","2012-03-26 11:47:35"
9,"2012-03-26 11:47:40","2012-03-26 11:47:40","2012-03-26 11:47:35"
10,NULL,"2012-03-26 11:47:45","2012-03-26 11:47:45"