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column data
Posted by: michele marzulli
Date: January 05, 2009 05:11AM

Hello to everyone.
I'm a new user of MySql and I'm studing this system to make my own Database, so excuse me if my question is stupid for you.
Can I calculate the value of a column data from other columns of other tables in the same scheme?
How can I do it?
Thanks for help
Michele

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