現有的測試數據：

對所有數據庫做備份：

C:\Users\Administrator>mysqldump -u root -p--all-databases> D:\mysql_bak\201409111654_all_database.bak

Enter password: *******

刪除jiao和dan_test數據庫里t表的數據：

導入文件進行恢復：

C:\Users\Administrator>mysql -u root -p < D:\mysql_bak\201409111654_all_database

.bak

Enter password: *******

C:\Users\Administrator>mysql -u root -p

Enter password: *******

Welcome to the MySQL monitor.? Commands end with ; or \g.

Your MySQL connection id is 55

Server version: 5.5.21 MySQL Community Server (GPL)

Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> use dan_test;

Database changed

mysql> select *

-> from t;

+------+

| id?? |

+------+

|??? 1 |

|??? 2 |

+------+

2 rows in set (0.00 sec)

mysql> use jiao;

Database changed

mysql> select *

-> from t;

+------+

| id?? |

+------+

|??? 1 |

+------+

1 row in set (0.00 sec)

mysql>

--若想了解怎么用mysqldump備份還原某個數據庫具體案例，請參考：http://write.blog.csdn.net/postedit/39207889

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