Ok, I'm a little new a this, so be gentle!! :)

I was looking into the InnoDB engine for some tables I have, and would like to use the PK/FK on some of the data.

It appears that the PK/FK is mainly used for updating/deleting data, correct? I can't use it to retreive data from multiple tables and have them linked, other than a join? Or am I wrong?

Is there a good visual tool that I can use to build my tables, create the PK/FK definations, and test how inserts, deletes, updates affect all the tables involved??

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