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Are MySQL tables relationships important ?

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Are MySQL tables relationships important ?

Postby julien » Tue May 01, 2012 5:07 am

Hello,

I am using a relational Database (MySQL) for my developments and I was wondering whether defining MySQL table relationships was important ...
I know about its relevance to referential integrity but if my code doesn't plan any "dangerous" query, why would any referential integrity protection be important ? Does it protect your database integrity in case of hardware failure or something ? Thanks for any help on that matter, I'm in no way a MySQL expert.
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