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I\'m trying to write a program that could monitor multiple folders for file creations and launch the same action but with different settings for each folder. My problem is in specifying an extra param
I have 2 tables (Orders, Orde开发者_StackOverflow中文版rItems) that are related based on a column OrderID.I need to find all Orders that do not have any OrderItems.We use JOIN to find related data. To