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use pubs
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where type='business'
go
use pubs
go
select max(ytd_sales)  --×î´óÊý
from titles
go
use pubs
go
select min(ytd_sales) --×îСÊý
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select type,sum(price),sum(advance)  ......

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using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
namespace shineh ......
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