在ORACLE10中可使用以下方法:
SELECT n_sec_code, wmsys.wm_concat (c_researcher_code) as result
FROM m_researcher_stock_rel
GROUP BY n_sec_code
在ORACLE10中可使用以下方法:
SELECT n_sec_code, wmsys.wm_concat (c_researcher_code) as result
FROM m_researcher_stock_rel
GROUP BY n_sec_code