Best practice: Import mySQL file in PHP; split queries
如何将*.sql文件导入数据库,并在php编码中将db导出为*.sql文件?
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