mysql送分题…解决方法
mysql送分题……SQL codeUPDATE (SELECTWorkID,WK.PpjID,WD.CheckupPoint,WD.AdjustPoint,WD.FactPoint, WE.
mysql送分题……
SQL codeUPDATE (SELECT WorkID,WK.PpjID,WD.CheckupPoint,WD.AdjustPoint,WD.FactPoint, WE.IsSpecial, WK.WorkType, WK.WorkStatus FROM `Work` WK LEFT JOIN WorkDesign WD ON WK.WorkID=WD.Work_idLEFT JOIN WorkEditionDot WE ON WE.EditionDotID=WE.EditionDotID WHERE `WK`.WorkID IN(SELECT `W`.WorkID FROM `Work` W WHERE W.PpjID=18035 AND (`W`.WorkStatus='已出稿' OR `W`.WorkStatus='已定稿'))) SET WD.CheckupPoint=WD.AdjustPoint+WD.FactPoint WHERE WK.PpjID=18035报错;Every derived table must have its own alias该如何解决(别名问题)?
[解决办法]UPDATE
(
SELECT WorkID,
WK.PpjID,
WD.CheckupPoint,
WD.AdjustPoint,
WD.FactPoint,
WE.IsSpecial,
WK.WorkType,
WK.WorkStatus
FROM `Work` WK LEFT JOIN WorkDesign WD ON WK.WorkID=WD.Work_id
LEFT JOIN WorkEditionDot WE ON WE.EditionDotID=WE.EditionDotID WHERE `WK`.WorkID IN
(SELECT `W`.WorkID FROM `Work` W WHERE W.PpjID=18035 AND (`W`.WorkStatus='已出稿' OR `W`.WorkStatus='已定稿'))) t
SET CheckupPoint=AdjustPoint+FactPoint WHERE PpjID=18035