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Heap files (unordered file)
Mostly these files are unordered files. It is the easiest and most basic type. These files having of randomly ordered records. The records will have no exacting order. The operations we can do on the records are retrieve, insert and delete. The types of the heap file or the pile file Organisation are:
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how to make an e r diagram?
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create an e-r diagram usuing graphical dipicted software that could theoritically be used in resturant application
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