相关疑难解决方法(0)

我想选择*,而不必输入所有单独的列,但我还想包含一个带有case语句的自定义列.我尝试了以下方法:

select *, (case when PRI_VAL = 1 then 'High'
                when PRI_VAL = 2 then 'Med'
                when PRI_VAL = 3 then 'Low'
          end) as PRIORITY
from MYTABLE;

但它抱怨说

ORA-00923: FROM keyword not found where expected