Link to my paper on one of the issue that I faced in work. This was regarding one of the Custom query from Peoplesoft and an example of how a wrongly placed although logically correct Table in the join can make your query perform really bad.
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Link to my paper on one of the issue that I faced in work. This was regarding one of the Custom query from Peoplesoft and an example of how a wrongly placed although logically correct Table in the join can make your query perform really bad.