mysql dump
http://dev.mysql.com/doc/refman/4.1/ja/mysqldump.html
shell> mysqldump [OPTIONS] database [tables]
か mysqldump [OPTIONS] --databases [OPTIONS] DB1 [DB2 DB3...]
か mysqldump [OPTIONS] --all-databases [OPTIONS]
http://dev.mysql.com/doc/refman/4.1/ja/mysqldump.html
shell> mysqldump [OPTIONS] database [tables]
か mysqldump [OPTIONS] --databases [OPTIONS] DB1 [DB2 DB3...]
か mysqldump [OPTIONS] --all-databases [OPTIONS]