SQL case when then end根据某列数据内容在新列显示自定义内容

select  ID,Username,namer=(case when(score<='50')    then '实习'
 
                                when(score>'50'  and  score<='500' )   then '赤脚医生'    
 
                                when(score>'500'  and score<='1000' )   then '村卫生员' 
 
                                when(score>'1000'  and score<='1500' )   then '乡卫生员' 
 
                                when(score>'1500'  and score<='2000' )   then '镇卫生员'
 
                                when(score>'2000'  and score<='3000' )   then '医师'
 
                                when(score>'3000'  and score<='5000' )   then '主治医师'
 
                                when(score>'5000'  and score<='10000' )   then '副主任医师'
 
                                when(score>'10000'  and score<='20000' )   then '主任医师'
 
                                when(score>'20000'  and score<='50000' )   then '健康大使'
 
                                else   '健康大使'  end )FROM  jk01_YiWen_Question  
         WHERE  UserID =  dbo.jk01_Member.ID)  as  questionnum 

例子来源于:SQL利用Case When Then多条件判断SQL 语句