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Build the erd for the present


Giving 2 entities:

1. Invoice
2. Inventory

See the scenario:

- M:M relationship
- Invoice_Number as primary Key for Invoice
- Inventory_number as primary key for Inventory

Do the following:

1) build the ERD for the present relationship -
2) build the ERD after solving the M:M relationship -
3) tell me what is the primary key of the new entity -

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Basic Computer Science: Build the erd for the present
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