數(shù)據(jù)準備：一組股票歷史成交數(shù)據(jù)（股票代碼：601106 中國一重），起止日期：2011-01-04至今，其中變量有“開盤”、“最高”、“最低”、“收盤”、“總手”、“金額”、“漲跌”等

UPDATE  FactStockSET     [漲跌] = N'漲'WHERE   [漲幅] > 0UPDATE  FactStockSET     [漲跌] = N'跌'WHERE   [漲幅] < 0UPDATE  FactStockSET     [漲跌] = N'持平'WHERE   [漲幅] = 0SELECT  [漲跌] ,        COUNT(*) AS CntFROM    FactStockGROUP BY [漲跌]SELECT  *FROM    FactStockWHERE   [漲跌] = N'持平'SELECT  MAX(收盤) ,        MIN(收盤) ,        AVG(收盤)FROM    FactStockUPDATE  FactStockSET     序列 = CAST(REPLACE(CONVERT(CHAR(10), SUBSTRING([時間], 1, 10), 120), '-',                          '') AS INT)SELECT  *FROM    FactStock

分析過程：