Ignore data members mentioned in tables,you just need to know table names and relation,
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| ASD Level 1 |
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| ASDContext Level |
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| Add caption |
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for context level.Draw level 1 by urself by looking at automated soft drink dispenser machine dfd from level 0 to level 1.
you hav to mention all processes in level 1 and also the record storing in db.in level 0 u just mention the basic flow not detailed processes .
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| Courier Management System Context Level |
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| Petrol Pump Management System Context level |
