我有这个问题,我不知道如何解决它:
RegNo Date Notes
5 2014-01-01 team checking
5 2014-01-01 add telephone no
5 2014-01-01 ben 14708
6 2014-01-15 contact by tel
6 2014-01-15 updating name
7 2014-02-08 other checkings
我需要回复:
RegNo Date Notes1 Notes2 Notes3
5 2014-01-01 team checking add telephone no ben 14708
6 2014-01-15 contact by tel updating name
7 2014-02-08 other checkings
任何想法都会有所帮助。