sqlÊý×ÖתӢÎÄ
create function decodehundred(@hundredstring varchar(300) )
returns varchar(1000)
as
begin
declare @tmp varchar(1000),@decodehundred varchar(1000)
set @decodehundred = ''
declare @strno1 varchar(1000)
select @strno1 = 'One Two Three Four Five ' +
'Six Seven Eight Nine Ten ' +
'Eleven Twelve Thirteen Fourteen Fifteen '+
'Sixteen Seventeen Eighteen Nineteen '
declare @strtens1 varchar(1000)
set @strtens1 = 'Ten Twenty Thirty Forty Fifty ' +
'Sixty Seventy Eighty Ninety '
declare @unit4 varchar(10)
set @unit4 = 'Hundred'
if len(@hundredstring) > 0 and len(@hundredstring) <= 3
begin
if len(@hundredstring) = 1
begin
set @tmp = cast(@hundredstring as int)
if @tmp <> 0
set @decodehundred =
&
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--¾ÛºÏº¯Êý
use pubs
go
select avg(distinct price) --ËãÆ½¾ùÊý
from titles
where type='business'
go
use pubs
go
select max(ytd_sales) --×î´óÊý
from titles
go
use pubs
go
select min(ytd_sales) --×îÐ¡Ê ......
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SQL round()Ïê½â
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select round(748.585929,-1) 750.000000
select round(748.58592 ......
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ÀýÈçÏÂÃæÕâ¾ä£º string readstring = "select * from ʵÀý where ʵÀýID='"+eid+"'";
È»ºóÖ´ÐÐ Myconnection();
DataSet ds = new DataSet();
OleD ......