PHP代码MySQL数据库导出

Question

可能重复：
Best practice: Import mySQL file in PHP; split queries

如何导入导入* .sql文件导入数据库和导出数据库在PHP代码为* .sql文件？

Answer 1

exec("mysqldump database -u username -p password > output.sql"); 

http://ca3.php.net/manual/en/function.exec.php

http://dev.mysql.com/doc/refman/5.1/en/mysqldump.html