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Understanding table development

Question asked by donl1150 on Jan 31, 2011
Latest reply on Jan 31, 2011 by philmodjunk

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Understanding table development

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I am trying to understand the concept of one-one, one-many, many-many.  This seems to be critical as you develop the structure of your database.  I am not quite certain how far you take the concept….does each field need to be unique to that table?  Here is an example.

I have three types of customers….individuals, schools & churches.  All have similarities, i.e. an address, city, state, zip, phone, etc.  I also therefore have the same three types of PROSPECTIVE customers – those that I am hoping will become customers.

Would I therefore create six tables to capture their unique data (name, address, city, state, zip, etc which is unique to that individual, church or school)? 

Or, would I create two tables for this data (one each for customers & prospects)?

Or, lastly is it best to only have one table that had all of their unique data + one field with the variable data (customer or prospect)?

Thanks

Don

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