Sharing of data table backup and restore methods in MySQL

As a commonly used relational database management system, MySQL has many practical methods for data backup and restoration. In this article, we will share some methods of backing up and restoring data tables in MySQL for your reference.

1. MySQL command line backup and restore

MySQL provides two command line tools for backing up and restoring data tables, namely mysqldump and mysql.

1.1 mysqldump backup data table

The mysqldump command is used to export the data in the MySQL database table. Its operation process is as follows:

Open the terminal or command line interface and enter the following Command:

mysqldump -u username -p databasename tableName > backupfile.sql

Among them, username is the user name of the MySQL database, databasename is the name of the database to be backed up, tableName is the name of the data table to be backed up, and backupfile.sql is the name and path of the backup file.

During the backup process, the system will prompt you to enter a password. After entering the correct password, you can continue the backup.

After the backup is completed, you can view the contents of the backup file by entering the following command:

cat backupfile.sql

1.2 mysql restore data table

The mysql command is used to restore the data in the MySQL database. It The operation process is as follows:

Open the terminal or command line interface and enter the following command:

mysql -u username -p databasename < backupfile.sql

where username is the user name of the MySQL database, databasename is the name of the database to be restored, backupfile.sql is the name and path of the backup file.

During the restoration process, the system will prompt you to enter a password. After entering the correct password, you can continue the restoration.

After the restoration is completed, you can view the restored data table by entering the following command:

mysql -u username -p databasename
show tables;

2. Use MySQL Workbench to back up and restore the data table

MySQL Workbench is a powerful MySQL graphical management tool that also provides the function of backing up and restoring data tables.

2.1 Use MySQL Workbench to back up the data table

Open the MySQL Workbench software, connect to the MySQL server, select the data table to be backed up, right-click and select "Export Data" and select "Quick Export" ”, in the pop-up window, select the path and name of the backup file.

After the backup is completed, find the backup file in the specified path and view the contents of the backup file.

2.2 Use MySQL Workbench to restore data tables

Open the MySQL Workbench software, connect to the MySQL server, select the database to be restored, right-click and select "Import Data" in the pop-up window , select the path and name of the backup file, and then click "Start Import".

After the restoration is completed, you can view the restored data table in MySQL Workbench.

3. Use phpMyAdmin to back up and restore data tables

phpMyAdmin is a commonly used Web-based MySQL database management tool that also provides the function of backing up and restoring data tables.

3.1 Use phpMyAdmin to back up the data table

Open the phpMyAdmin software, connect to the MySQL server, select the data table to be backed up, click the "Export" tab, and in the pop-up window, select the backup file path and name, and then click "Start Export".

After the backup is completed, find the backup file in the specified path and view the contents of the backup file.

3.2 Use phpMyAdmin to restore the data table

Open the phpMyAdmin software, connect to the MySQL server, select the database to be restored, click the "Import" tab, and select the path to the backup file in the pop-up window and name, then click "Start Import".

After the restoration is completed, you can view the restored data table in phpMyAdmin.

Summary

The above are the commonly used methods for backing up and restoring data tables in MySQL. Different methods are suitable for different scenarios, and better backup strategies can improve data security. Therefore, it is recommended to choose the data backup and restoration method that suits you based on your actual situation, system environment, business needs, data scale and other factors.

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