摘要: ORACLE字符串连接分组串聚函数 wmsys.wm_concatSQL代码:select grp, wmsys.wm_concat(str) from (select 1 grp, 'a1' str from dual union select 1 grp, 'a2' str from dual union select 2 grp, 'b1' str from dual union select 2 grp, 'b2' str fro... 阅读全文
posted @ 2013-07-03 10:11 水手哥 阅读(11331) 评论(0) 推荐(0) 编辑