请教高手，关于php连接数据库的有关问题
请问高手，关于php连接数据库的问题
请问高手，php数据库连接有几种方式？哪种连接数据库的方式好呢？mysql mysqli pdo adodb这些方式现在流行哪个方式，另外adodb这个有没有相关的手册,怎么用adodb？
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在php5版本之前，一般是用php的mysql函数去驱动mysql数据库的，比如mysql_query()的函数，属于面向过程3、在php5版本以后，增加了mysqli的函数功能，某种意义上讲，它是mysql系统函数的增强版，更稳定更高效更安全，与mysql_query()对应的有mysqli_query()，属于面向对象，用对象的方式操作驱动mysql数据库。
adodb是一种PHP数据库抽象库，可以支持access，sqlserver，oracle等。
pdo是为了解决数据库连接不统一的问题。
参考http://www.iamle.com/archives/1563.html
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目前来看，PDO是最实在的，也是官方推荐的。
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百度一下那么多教程。
http://www.baidu.com/s?ie=utf-8&f=8&rsv_bp=1&rsv_idx=1&tn=monline_5_dg&wd=PHP%20pdo&rsv_pq=ea040e4c0001cae7&rsv_t=2d90qKB4fzMUhnVcxdzZ5fMdK%2FFiB1Q7REavHSVu8UeWzRLpXRpdDPQi3ORWyXcBCFHJ&rsv_enter=1&rsv_sug3=4&rsv_sug1=3&rsv_sug2=0&inputT=4590&rsv_sug4=5368
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