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Dealing with transient information

 
Jacky Luk
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One of the user requirements is to mark down the customers
that have never spent since last 6 months.
This is basically done by a joined query.
Now the client asks me how to take care of the customers
whom have been followed but still not yet done any spending afterwards.
They asked me to export a list of customer who haven't spent since last 6 months.
After this list has been followed, the customers, sometimes, will not be dealt with
anymore.
Do you think it is not good idea to open up another table?
and just dump the list to Excel, and let the user deal with them manually
But if I am, how do I store this kind of information.
The customer table is not a good choice, I think.
What do you think?
Thanks
Jack
 
Jeanne Boyarsky
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What's wrong with the customer table? You could have an active/inactive flag.

You don't know a customer will go inactive so you don't know the information is transient when it first gets written to the database. And taking it out of the customer table would require you to clean up other tables with foreign keys.
 
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