sql server:Charindex函数 charindex("字符串",字段)
select * from [dbo].[TBL_AVALANCHE] where CHARINDEX(‘僵尸点‘,OUTDOORCODE)<=0
oracle 和mysql:instr函数 instr(字段,“”字符串“”)
select * from tbl_jc_deviceinfo where instr(devicename,‘CM‘)<=0
原文:https://www.cnblogs.com/wxxf/p/11116104.html