530420110045096934
530420111045096934
这一串海关编号,我要判断第9位如果是0,那么就在旁边一列中赋予字母E,第9位如果是1,就赋予字母I
SQL如何实现
------解决方案--------------------
- SQL code
update tablename set col=(case when substring('530420110045096934',9,1)=0then 'E' else 'I' end)
update tablename set col=(case when substring('530420110045096934',9,1)=0then 'E' else 'I' end)