rt
目标形式
有这几种形式
and instr(afield,'string')>0
and instr(afield,'string')<=0
or instr(afield,'string')>0
or instr(afield,'string')<=0
instr(afield,'string')>0
instr(afield,'string')<=0
rt 目标形式 有这几种形式 and instr(afield,'string')>0 and instr(afield,'string')0 or instr(afield,'string')0 instr(afield,'string')<=0 其中string是任意字符串或者数字单引号肯定有....其实大家都应该晓得了..这个是查询clob类型的一段sql哈