MySQL table backup

MySQL table backup  表复制，表空间物理拷贝

2017年医疗系统 HIS LIS PACS Oracle 表与表空间

1）进入MySQL执行操作命令

D:\\mysql-8.0.30-winx64\\data\\further

2）切换到操作系统，复制文件

3）再次，第二次进入MySQL执行操作命令

4）查询备份结果

Microsoft Windows [版本 10.0.19045.6216]
(c) Microsoft Corporation。保留所有权利。

C:\\Users\\Administrator>d:

D:\\>
D:\\>cd D:\\mysql-8.0.30-winx64\\bin

D:\\mysql-8.0.30-winx64\\bin>
D:\\mysql-8.0.30-winx64\\bin>
D:\\mysql-8.0.30-winx64\\bin>mysql -uroot -p
Enter password: ******
Welcome to the MySQL monitor. Commands end with ; or \\g.
Your MySQL connection id is 23
Server version: 8.0.30 MySQL Community Server – GPL

Copyright (c) 2000, 2022, Oracle and/or its affiliates.

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>
mysql>
mysql>
mysql> show databases;
+——————–+
| Database |
+——————–+
| activiti |
| further |
| information_schema |
| mysql |
| performance_schema |
+——————–+
5 rows in set (0.00 sec)

mysql>
mysql>
mysql>
mysql>
mysql> use further;
Database changed
mysql>
mysql>
mysql>
mysql> create table sys_region_village_backup like sys_region_village;
Query OK, 0 rows affected (0.03 sec)

mysql>
mysql>
mysql>
mysql> alter table sys_region_village_backup discard tablespace;
Query OK, 0 rows affected (0.01 sec)

mysql>
mysql>
mysql> flush tables sys_region_village for export;
Query OK, 0 rows affected (0.00 sec)

mysql>
mysql>
mysql>
mysql> exit;
Bye

D:\\mysql-8.0.30-winx64\\bin>
D:\\mysql-8.0.30-winx64\\bin>
D:\\mysql-8.0.30-winx64\\bin>cd D:\\mysql-8.0.30-winx64\\data\\further

D:\\mysql-8.0.30-winx64\\data\\further>
D:\\mysql-8.0.30-winx64\\data\\further>
D:\\mysql-8.0.30-winx64\\data\\further>
D:\\mysql-8.0.30-winx64\\data\\further>
D:\\mysql-8.0.30-winx64\\data\\further>copy sys_region_village.ibd sys_region_village_backup.ibd
已复制 1 个文件。

D:\\mysql-8.0.30-winx64\\data\\further>
D:\\mysql-8.0.30-winx64\\data\\further>
D:\\mysql-8.0.30-winx64\\data\\further>
D:\\mysql-8.0.30-winx64\\data\\further>
D:\\mysql-8.0.30-winx64\\data\\further>cd D:\\mysql-8.0.30-winx64\\bin

D:\\mysql-8.0.30-winx64\\bin>
D:\\mysql-8.0.30-winx64\\bin>
D:\\mysql-8.0.30-winx64\\bin>
D:\\mysql-8.0.30-winx64\\bin>mysql -uroot -p
Enter password: ******
Welcome to the MySQL monitor. Commands end with ; or \\g.
Your MySQL connection id is 24
Server version: 8.0.30 MySQL Community Server – GPL

Copyright (c) 2000, 2022, Oracle and/or its affiliates.

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>
mysql>
mysql>
mysql>
mysql> show databases;
+——————–+
| Database |
+——————–+
| activiti |
| further |
| information_schema |
| mysql |
| performance_schema |
+——————–+
5 rows in set (0.00 sec)

mysql>
mysql>
mysql> use further
Database changed
mysql>
mysql>
mysql> unlock tables;
Query OK, 0 rows affected (0.00 sec)

mysql>
mysql>
mysql>
mysql> alter table sys_region_village_backup import tablespace;
Query OK, 0 rows affected, 1 warning (1.16 sec)

mysql>
mysql>
mysql>
mysql>
mysql> select count(1) from sys_region_village_backup;
+———-+
| count(1) |
+———-+
| 620573 |
+———-+
1 row in set (0.15 sec)

mysql>
mysql> select count(1) from sys_region_village;
+———-+
| count(1) |
+———-+
| 620573 |
+———-+
1 row in set (0.33 sec)

mysql>