我有一张表如下:
INS_SEQ | NAME | DATE
-----------------------------
1 | willy | 15/11/10
2 | zoe | 15/11/20
3 | willy | 15/11/20
4 | willy | 15/11/10
5 | willy | 15/11/21
6 | zoe | 15/11/17
7 | willy | 15/11/12
8 | zoe | 15/11/20
9 | zoe | 15/11/30
... and other values ...
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按列分组NAME返回:
INS_SEQ | NAME | DATE
----------------------------
1 | willy | 15/11/10
3 | willy | 15/11/20
4 | willy | …Run Code Online (Sandbox Code Playgroud)