SQL脚本积累之一-----UNION的使用示例
查询【成交价】小于当日行情中的显示的【最低价】
SELECT [SpotCode],MinPrice,[Code],LPrice FROM (SELECT [SpotCode],Min([TradePrice]) MinPrice,Max([TradePrice]) MaxPrice FROM [VTS_ReckoningCounter_4.5].[dbo].[XH_TodayTradeTable] where [TradePrice]>0 group by SpotCode) tempA, (SELECT [Code],Max([High]) HPrice,Min([Low]) LPrice FROM [MRS].[dbo].[SHL1_MarketInfo_20120130] where [Low]>0 and [High]>0 group by [Code] union SELECT [Code],Max([High]) HPrice,Min([Low]) LPrice FROM [MRS].[dbo].[SZL1_MarketInfo_20120130] where [Low]>0 and [High]>0 group by [Code]) tempB where tempA.[SpotCode]=tempB.[Code] and tempA.MinPrice<tempB.LPrice查询【成交价】高于当日行情中的显示的【最高价】
SELECT [SpotCode],MaxPrice,[Code],HPrice FROM (SELECT [SpotCode],Min([TradePrice]) MinPrice,Max([TradePrice]) MaxPrice FROM [VTS_ReckoningCounter_4.5].[dbo].[XH_TodayTradeTable] where [TradePrice]>0 group by SpotCode) tempA, (SELECT [Code],Max([High]) HPrice,Min([Low]) LPrice FROM [MRS].[dbo].[SHL1_MarketInfo_20120130] where [Low]>0 and [High]>0 group by [Code] union SELECT [Code],Max([High]) HPrice,Min([Low]) LPrice FROM [MRS].[dbo].[SZL1_MarketInfo_20120130] where [Low]>0 and [High]>0 group by [Code]) tempB where tempA.[SpotCode]=tempB.[Code] and tempA.MaxPrice>tempB.HPrice 查询成交价不在五档行情中
SELECT tempD.[EntrustNumber] FROM (SELECT count([EntrustNumber]) num,[EntrustNumber] FROM [VTS_ReckoningCounter_4.5].[dbo].[XH_TodayTradeTable] tempA, [MRS].[dbo].SZL1_MarketInfo_20120201 tempB where tempA.[SpotCode] = tempB.Code and tempA.[TradePrice]>0 and tempB.MarketRefreshTime > dateadd(mi,-10,tempA.TradeTime) and tempB.MarketRefreshTime < dateadd(mi,+10,tempA.TradeTime) and tempA.[BuySellTypeId]=1 group by [EntrustNumber] union SELECT count([EntrustNumber]) num,[EntrustNumber] FROM [VTS_ReckoningCounter_4.5].[dbo].[XH_TodayTradeTable] tempA, [MRS].[dbo].SHL1_MarketInfo_20120201 tempC where tempA.[SpotCode]= tempC.Code and tempA.[TradePrice]>0 and tempC.MarketRefreshTime > dateadd(mi,-10,tempA.TradeTime) and tempC.MarketRefreshTime < dateadd(mi,+10,tempA.TradeTime) and tempA.[BuySellTypeId]=1 group by [EntrustNumber]) tempD, (SELECT count([EntrustNumber]) num,[EntrustNumber] FROM [VTS_ReckoningCounter_4.5].[dbo].[XH_TodayTradeTable] tempA, [MRS].[dbo].SZL1_MarketInfo_20120201 tempB where tempA.[SpotCode] = tempB.Code and tempA.[TradePrice]>0 and tempA.[TradePrice] not in(tempB.lastprice,tempB.[SellFirstPrice],tempB.[SellSecondPrice],tempB.[SellThirdPrice],tempB.[SellFourthPrice],tempB.[SellFivePrice]) and tempB.MarketRefreshTime > dateadd(mi,-10,tempA.TradeTime) and tempB.MarketRefreshTime < dateadd(mi,+10,tempA.TradeTime) and tempA.[BuySellTypeId]=1 group by [EntrustNumber] union SELECT count([EntrustNumber]) num,[EntrustNumber] FROM [VTS_ReckoningCounter_4.5].[dbo].[XH_TodayTradeTable] tempA, [MRS].[dbo].SHL1_MarketInfo_20120201 tempC where tempA.[SpotCode]= tempC.Code and tempA.[TradePrice]>0 and tempA.[TradePrice] not in(tempC.lastprice,tempC.[SellFirstPrice],tempC.[SellSecondPrice],tempC.[SellThirdPrice],tempC.[SellFourthPrice],tempC.[SellFivePrice]) and tempC.MarketRefreshTime > dateadd(mi,-10,tempA.TradeTime) and tempC.MarketRefreshTime < dateadd(mi,+10,tempA.TradeTime) and tempA.[BuySellTypeId]=1 group by [EntrustNumber]) tempE where tempD.[EntrustNumber]=tempE.[EntrustNumber] and tempD.num=tempE.num查询成交价不在五档行情中的SQL语句—-历史成交表与撮合表
SELECT tempD.[EntrustNumber] FROM (SELECT count([EntrustNumber]) num,[EntrustNumber] FROM [VTS_ReckoningCounter_4.5].[dbo].[XH_HistoryTradeTable] tempA, [VTS_MatchCenter_4.5].[dbo].[XH_MarketInfo] tempB where tempA.[SpotCode] = tempB.Code and tempA.[TradeTime] > '2012-01-30 18:30:22.920' and tempA.[TradePrice]>0 and tempA.[TradePrice] not in(tempB.[lastprice],tempB.[SellPrice1],tempB.[SellPrice2],tempB.[SellPrice3],tempB.[SellPrice4],tempB.[SellPrice5]) and tempB.[MarketTime]>dateadd(mi,-5,tempA.TradeTime) and tempB.[MarketTime]<dateadd(mi,+5,tempA.TradeTime) group by [EntrustNumber]) tempC, (SELECT count([EntrustNumber]) num,[EntrustNumber] FROM [VTS_ReckoningCounter_4.5].[dbo].[XH_HistoryTradeTable] tempA, [VTS_MatchCenter_4.5].[dbo].[XH_MarketInfo] tempB where tempA.[SpotCode] = tempB.Code and tempA.[TradeTime] > '2012-01-30 18:30:22.920' and tempA.[TradePrice]>0 and tempB.[MarketTime]>dateadd(mi,-5,tempA.TradeTime) and tempB.[MarketTime]<dateadd(mi,+5,tempA.TradeTime) group by [EntrustNumber]) tempD where tempC.[EntrustNumber]=tempD.[EntrustNumber] and tempC.num = tempD.num