Posts by VitorKB • 126 points
2 posts
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5
votes3
answers5026
viewsA: How to identify classes in an object-oriented system?
Use cases are used to map the business, facilitate the analysis of the business rules that your system will have and start to map them into classes, activities, interfaces according to class…
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6
votes1
answer1143
viewsA: Make an INNER JOIN using IF
One of the ways to solve this case is to use a View/Subselect: SELECT C.SchoolID, C.ComboID, P.Active, P.Name, P.ProductID FROM sales.Combo AS C INNER JOIN commons.Stock AS S ON C.SchoolID =…