小编Cer*_*cme的帖子

我已经更改了表名,但是我在SP中发现了这个FROM语句我正在优化,我想知道它是如何形成的,为什么你会做这样的事情,为什么它仍然有效.

FROM         tblPezFill pf 
RIGHT OUTER JOIN tblWolveLocation stfl 
RIGHT OUTER JOIN tblDuckPez pp 
RIGHT OUTER JOIN tblChaos o 
INNER JOIN tblBillLeg bi 
INNER JOIN @Facty selFac  
ON bi.WolveId = selFac.WolveId 
ON o.ChaosID = bi.ChaosId 
LEFT OUTER JOIN vwDonald stPres 
RIGHT OUTER JOIN tblStockChaos so 
            ON stPres.DonaldId = so.DonaldId 
            ON o.StockChaosID = so.StockChaosID 
            ON pp.PezID = o.PezID 
            ON stfl.WolveLocationId = so.WolveLocationId 
            ON pf.PezFillID = o.PezFillID 
LEFT OUTER JOIN tblCheeseburger p ON bi.CheeseburgerId = p.CheeseburgerId 
LEFT OUTER JOIN tblChaosCheeseburgerShipped ops ON …