日期:2014-05-16 浏览次数:20873 次
select ids, id from(
select regexp_substr(ids, '[^,]+',1,lvl) ids, lvl, id from t,
(select level lvl from dual connect by
level < =(select max(length(regexp_replace(ids,'[^,]','')))+1 max_tokens from t))
) where ids is not null order by id, lvl;