php代码到mysql数据库导出

Question

  

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

如何将import * .sql文件导入数据库，并在PHP编码中将db导出到* .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