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select case when age>25 then '´óÁä' else 'СÁä' end as ÄêÁ伶±ð,count(*) as ÈËÊý from infor group by case when age>25 then '´óÁä' else 'СÁä' end
 


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create proc pr_select_Natural
(
 @CDATE  datetime,
 @FAC_NAME varchar(50),
 @BATTERY_TYPE varchar(20),
 @MAKE_MODE varchar(20),
 @PRODUCE_MODE varchar(20),
 @YEAR  char(4),
 @MONTH  char(2 ......

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create table [±íÃû]
(
[×Ô¶¯±àºÅ×Ö¶Î] int IDENTITY (1,1) PRIMARY KEY ,
[×Ö¶Î1] nVarChar(50) default 'ĬÈÏÖµ' null ,
[×Ö¶Î2] ntext null ,
[×Ö¶Î3] datetime,
[×Ö¶Î4] money null ,
[×Ö¶Î5] int default 0,
[×Ö¶Î6] Decimal (12,4) default 0,
[×Ö¶Î7] image null ,
)
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1.access:       datediff('d',fixdate,getdate())
2.sqlserver:    datediff(day,fixdate,getdate())
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