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declare @ProductName nvarchar(50)
declare pcurr cursor for select ProductName from Products
open pcurr
fetch next from pcurr into @ProductName
while (@@fetch_status = 0)
begin
print (@ProductName)
fetch next from pcurr into @ProductName
end
close pcurr
deallocate pcurr
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declare @ProductName nvarchar(50)
declare @ProductID int
select @ProductID=min(ProductID) from Products
while @ProductID is not null
begin
select @ProductName=ProductName from Products where
ProductID=@ProductID
print(@ProductName);
select @ProductID=min(ProductID) from Products where
ProductID>@ProductID
end
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±¸×¢ ntext
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Êý×Ö(ÕûÐÍ) smallint
Êý×Ö(µ¥¾«¶È) real
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»õ±Ò money
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ALTER TABLE tb ALTER COLUMN aa Byte Êý×Ö[×Ö½Ú]
ALTER TABLE tb ALTER COLUMN aa Long Êý×Ö[³¤ÕûÐÍ]
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sp_configure  'allow',1 
go
reconfigure  with  override 
go
update  sysdatabases  set  status=32768  where  name='svw' 
go
dbcc  rebuild_log('svw','D:\mssql7\data ......
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