构建在线php游戏的数据库。如何在mySQL数据库中找到2个人之间的游戏

I have a game I'm writing using PHP. For the purposes of my question we can compare my game to "Words with Friends" on the iPhone, for those unfamiliar with the game it is an online/mobile scrabble game. The game consists of 3 major steps:I have a game I'm writing using PHP. For the pu