... a large selection of books to get you on your way, such as Sams Teach Yourself Perl in 21 Days, by Laura Lemay or Sams Teach Yourself CGI in 24 Hours, by Rafe Colburn. - 103 -table's ... make, you can edit the source and make these changes yourself. If MySQL is missing a feature that you can't live without, just add it yourself. No other database on the market can offer ... worse problems. If you use the key to join a Customers table with an Orders table, you would find yourself having to update the references to customers in the Orders table too. You would run the...