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Editorial Team
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Asked: 2026-06-18T14:29:37+00:00

Guys I am developing my project in Mysql Workbench and have a confusion about

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Guys I am developing my project in Mysql Workbench and have a confusion about my project.

I have few questions:

How do we manage different types of payments?
I mean my DB has a payment table and my system has 3 modes for payment.

1]Credit Card(Will store the respective information)

2]DebitCard(Will store the respective information)

3]Cash on Delivery(the payment is done in cash and will be updated later)

I have uploaded a image here to tell you what I was thinking

Bill table-Consists of bill generation and stuff.
Payment table-As to when the payment is done (I have added a type id and fks from all table so that I can use a if/else clause on the select method.) is this good practive?
Home table- is the cash on delivery thong

Is there any better method to do this? Please help.

enter image description here

I have further modified the image and have chucked out the type condition and instead I am using the if(payment_type) clause to access the respective DB, I believe this should get the job done. Is there any fault in this? Please help

enter image description here

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1 Answer

  1. Editorial Team

    Indeed. There is. I would go with inheritance.

    Here a simple diagram:

    enter image description here

    You need to include your attributes and notations (oneTOone, manyTOone,…). Do some research for inheritance.

    Look here: http://de.scribd.com/doc/7122945/ER-Diagram
    And there are more if you google or stackoverflowle.

    Regards 😉

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