 So people are returning our books late and we now need to add a way to track our fines.  Define relationships and make tables.

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Presentation transcript:

 So people are returning our books late and we now need to add a way to track our fines.  Define relationships and make tables

Resources Events Agents

 We want to be able make several payments on one purchase if it happens to be very expensive.  We also want to be able to pay for many inexpensive purchases with one payment. How could we do this?  (Hint—we need this to be Many to Many)

Many to Many relationships required an intermediate table to match the primary keys from each table. Resources Events Agents

Resources Events Agents

 We’ve worked so hard to make our tables and relate them, so the best way to celebrate is to import data!