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19th May 2010 00:44 #1Registered User
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19th May 2010 08:34 #2

/ : foreign key primary key . Primary key () . - primary key (.. , ). , primary key - . primary key , , foreign key, : . 3 . 
, INT autoincrement, primary key .
foreign key , Primary key .
Person , Role : . foreign key Person primary key Role. , .
: . . , .
, , SELECT . - .
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19th May 2010 09:56 #3Registered User
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19th May 2010 22:44 #4




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