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>