oracle sql 截取表中某一字段的部分作为该字段查询结果

select distinct substr(t.stats_memo, instr(t.stats_memo, '') + 1) as memo
  from b2c_coupon_exchange t
 where t.stats_audit = '3'
原文地址:https://www.cnblogs.com/pumushan/p/5563208.html