Oracle中的Case与Sqlserver的Case对比

-- oracle的

    select  t_CX_Orders. * ,
    case   when  FIsSendMail = 1   then  FFILEPATH
                     else   ' . '
                     end   DownLoadPath
     from  t_CX_Orders 
     where  FUserID = ' AAA613 '   order   by  FInnerCode  desc

-- sqlserver的

SELECT  au_fname, au_lname, 
    CASE  state
       WHEN   ' CA '   THEN   ' California '
       WHEN   ' KS '   THEN   ' Kansas '
       WHEN   ' TN '   THEN   ' Tennessee '
       WHEN   ' OR '   THEN   ' Oregon '
       WHEN   ' MI '   THEN   ' Michigan '
       WHEN   ' IN '   THEN   ' Indiana '
       WHEN   ' MD '   THEN   ' Maryland '
       WHEN   ' UT '   THEN   ' Utah '
         END   AS  StateName
FROM  pubs.dbo.authors
ORDER   BY  au_lname