I recommend two authors, listed below with Amazon links to their most famous books: C. J. Date http://www.amazon.com/Introduction-Database-Systems-C-Date/dp/02

I recommend two authors, listed below with Amazon links to their most famous books: C. J. Date http://www.amazon.com/Introduction-Database-Systems-C-Date/dp/0201385902 http://www.amazon.com/Introduction-Database-Systems-C-Date/d... Joe Celko http://www.amazon.com/Joe-Celkos-SQL-Smarties-Programming/dp/1558605762 http://www.amazon.com/Joe-Celkos-SQL-Smarties-Programming/dp...