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¦^´_ 1# joey0415  
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    1. ¥Î Select MAX(¤é´Á) from STOCK_AAA 
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Select * from STOCK_AAA where ¤é´Á=(Select MAX(¤é´Á) from STOCK_AAA) 
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Select TOP 5 ¤é´Á from STOCK_AAA where ¤é´Á<= '2007/5/28' ORDER BY ¤é´Á DESC 
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¦^´_  joey0415  
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PD961A µoªí©ó 2010-6-28 11:40    
 
 
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 ¥»©«³Ì«á¥Ñ kimbal ©ó 2010-7-4 13:37 ½s¿è  
 
SELECT x.¤é´Á, AVG(y.³Ì§C) moving_average from  
STOCK_DAY X, STOCK_DAY Y 
where X.¤é´Á>= '2007-05-30' 
AND x.¤é´Á BETWEEN y.¤é´Á AND dateadd(d,5,y.¤é´Á)  
GROUP BY x.¤é´Á 
ORDER BY x.¤é´Á 
 
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SELECT x.¤é´Á, AVG(y.³Ì§C) moving_average from  
STOCK_DAY X, STOCK_DAY Y 
where X.¤é´Á>= '2007-05-3 ... 
kimbal µoªí©ó 2010-7-4 13:32    
 
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