sys_connect_by_path(9i), wm_concat(10g) 예제
1) SYS_CONNECT_BY_PATHwith test as ( select '001' as id, 'Angelo' as name, 'A' as segment from dual union all select '001' as id, 'Angelo' as name, 'D' as segment from dual union all select '001' as id, 'Angelo' as name, 'G' as segment from dual union all select '002' as id, 'John' as name, 'A' as segment from dual union all select '002' as id, 'John' as name, 'B' as segment from dual union all ..
2012. 10. 17.