Hi Dear Friend
I want to know primary concept in sql , please introduce recourses that can help me.
I have to know about 'foreign key and references and cascade and INDEX and CONSTRAINT etc.
Best Regard
Sql's Concept
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http://dev.mysql.com/doc/refman/4.1/en/ ... -keys.html,
http://dev.mysql.com/doc/refman/4.1/en/ ... aints.html,
http://dev.mysql.com/doc/refman/4.1/en/ ... index.html
to get you started, the rest you can search for yourself at http://dev.mysql.com/doc/refman/4.1/en/index.html
http://dev.mysql.com/doc/refman/4.1/en/ ... aints.html,
http://dev.mysql.com/doc/refman/4.1/en/ ... index.html
to get you started, the rest you can search for yourself at http://dev.mysql.com/doc/refman/4.1/en/index.html