0
我在我的sql语句中遇到了问题。它必须在我的符号代码上没有重复。我将如何删除重复的其他符号代码?在sql中没有重复的代码
SELECT TOP (10) dbo.ltb_stockinfo.**SymbolCode**, dbo.stockInfoPrices.ChangePercent
FROM dbo.ltb_stockinfo INNER JOIN
dbo.stockInfoPrices ON dbo.ltb_stockinfo.ID = dbo.stockInfoPrices.SymbolListId
WHERE (dbo.ltb_stockinfo.NSCMarketSegment = N'NO')
GROUP BY dbo.ltb_stockinfo.SymbolCode, dbo.stockInfoPrices.ChangePercent
ORDER BY dbo.stockInfoPrices.ChangePercent DESC
非常感谢!
我希望你能大胆代码... – colinmarc 2011-05-16 05:29:50