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SitePoint PHP Blog:
Top 10 MySQL Mistakes Made by PHP Developers
November 19, 2010 @ 08:33:16

On the SitePoint PHP blog today there's a new post from Craig Buckler looking at his top ten MySQL mistakes he as a PHP developer has made over time (and suggests a few things so they can keep from making them again).

database is a fundamental component for most web applications. If you're using PHP, you're probably using MySQL - an integral part of the LAMP stack. PHP is relatively easy and most new developers can write functional code within a few hours. However, building a solid, dependable database takes time and expertise. Here are 10 of the worst MySQL mistakes I've made (some apply to any language/database).

Some of the infamous mistakes that made the list include:

  • Using PHP's mysql functions (instead of mysqli)
  • Not sanitizing user input
  • Not using UTF-8
  • Not optimizing your queries
  • Using * in SELECT queries
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