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Thread: DB diagram
Feb 11, 2010, 06:06 #1
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- Sep 2008
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hi guys ,
the following image showing Tables relations for billing system
- customer can take many service
- service can take many promotions
-i bill customer every month , 3 months ,6 months , year
- maybe customer get discount 50% in first three months .. this is example of promotions
* are the relations between DB tables correct ?
* credit , charge and balance in correct table ?
* names of columns is it correct ?
please help me , am some lost