WordPress:Backing Up Your Database

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Seadragon530（讨论 | 贡献）2008年4月25日 (五) 17:43的版本
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It is strongly recommended that you backup your database at regular intervals and before an upgrade.

强烈建议定时备份，每次更新前也做一次备份。.

Restoring your database from backup is then possible if something goes wrong.

从你的备份中恢复数据库可以在你遇到问题时使用。

Using phpMyAdmin

WordPress:phpMyAdmin is the name of the program used to manipulate your database.

Information below has been tried and tested using phpMyAdmin versions 2.5.3, 2.5.7-pl1, and 2.6.1-pl3 running on Unix.

使用 phpMyAdmin

phpMyAdmin是一个用来操作你的数据库的程序.

下边的信息已经通过使用phpMyAdmin versions 2.5.3, 2.5.7-pl1，和2.6.1-pl3运行在Unix系统上的测试。

Backup Process with phpMyAdmin

    thumb|Image#1
  1. Log into phpMyAdmin on your server
    2. thumb|Image#2
  2. From the main login screen, select 'Databases' (Image#1)
    3. thumb|Image#3
  3. Now click the name of your database - or your WordPress database if you have several databases. (Image#2)
    4. thumb|Image#4
  4. The next screen will show you all the tables inside your WordPress database.
    Ignore those, and click the 'Export' tab on the top set of tabs. (Image#3)
  5. Look at the left box at the top of the Export section. All the tables in the database you selected are in that box.(Image#4)
    6. thumb|Image#5
    • If you have other programs that use the database, then choose only those tables that correspond to your wordpress install. They will be the ones with that start with "wp_" or whatever 'table_prefix' you specified in your 'wp-config.php' file.
    • If you only have your WordPress blog installed, in the left column, click 'Select All'.
  6. Ensure that the SQL button is selected too. (Image#5)
    • The SQL section
    • Tick the following boxes: Structure, 'Add DROP TABLE', 'Add AUTO_INCREMENT' and 'Enclose table and field names with backquotes'
  7. The DATA section
      8. thumb|Image#6
    • Leave the boxes inside this section unticked, but make sure to keep the checkbox next to the "DATA" heading checked.
  8. Tick the 'Save as file' option, and leave the template name alone.
    For now, select 'None' for compression.
  9. Now click 'Go' and you should be prompted for a file to download. Save the file to your computer. (Image#6)
    Depending on the database size, this may take a few moments.
  10. Once that download is complete, check the 'zipped' option, click 'Go', and download the next file.
    If you wanted, you could download a backup in each of the compression formats. Your choice.
  11. You have now backed up your database.
    12. Remember - you have NOT backed up the files and folders - such as images - but all your posts and comments are now safe.

使用phpMyAdmin的备份过程

    thumb|Image#1
  1. 在你的服务器上登陆phpMyAdmin
    2. thumb|Image#2
  2. 从主登陆界面选择 'Databases' (Image#1)
    3. thumb|Image#3
  3. 现在点你的数据库的名字 – 或者你的 WordPress数据库，如果你有好几个数据库的话. (Image#2)
    4. thumb|Image#4
  4. 下一个界面将显示你的 WordPress 数据库中所有的表格.
    忽略这些，在顶部标签中点击'Export' 标签. (Image#3)
  5. 查看Export部分的顶部左边框. 所有你选择的数据库中的表格都在这个方框中.(Image#4)
    6. thumb|Image#5
    • 如果你有别的使用数据库的程序,那么选择那些符合 wordpress安装的表格 . 它们以 "wp_" 或者是 'table_prefix' 开头，你在你的 'wp-config.php' 文件中详细指定过的.
    • 如果你只安装了 WordPress blog, 在左边栏中点击 'Select All'.
  6. 确保SQL 按钮被选中. (Image#5)
    • SQL 部分
    • 勾选一下方框: Structure, 'Add DROP TABLE', 'Add AUTO_INCREMENT' 和 'Enclose table and field names with backquotes'
  7. DATA部分
      8. thumb|Image#6
    • 这部分之内的方框不要勾选，但是要确定在保持"DATA"旁边的复选框是选中状态.
  8. 勾选 'Save as file' 操作, 留下一个模板名字.
    现在压缩选中 'None'.
  9. 现在点击 'Go' ，你应该被提示说有个文件下载，保存这个文件到你的电脑上. (Image#6)
    根据数据库的大小，这会花去你几分钟的时间.
  10. 下载完成后，查看'zipped' 操作, 点击 'Go', 下载另外一个文件.
    如果你想的话，你可以下载每个文件的压缩格式的备份。你的选择.
  11. 现在，你的数据库已经备份完毕.
    12. 记住 – 你没有备份文件和文件夹 – 如图片- 但是所有你的文章和评论现在已经是安全的了.

Using Straight MySQL Commands

phpMyAdmin can not handle large databases so using straight MySQL code will help.

1. Change your directory to the directory you want to dump things to: 

user@linux:~> cd files/blog

2. Use mysqldump to dump all database tables. To dump only certain tables from the database, give their names at the place shown by (tablename tablename tablename), and omit the parentheses ( ) in any case. (For help, try: man mysqldump.): 

user@linux:~/files/blog> mysqldump --add-drop-table -h mysqlhostserver
 -u mysqlusername -p databasename (tablename tablename tablename) | bzip2
 -c > blog.bak.sql.bz2

Enter password: (enter your mysql password)
user@linux~/files/blog>
Example:
mysqldump --add-drop-table -h db01.example.net -u dbocodex -p dbwp | bzip2 -c > blog.bak.sql.bz2

Enter password: my-password
user@linux~/files/blog>

The bzip2 -c after the | (pipe) means the backup is compressed on the fly, and the > blog.bak.sql.bz2 sends the bzip output to a file named blog.bak.sql.bz2. It does in one line the same thing that these two commands do: 

mysqldump --add-drop-table -h db01.example.net -u dbocodex -p dbwp > blog.bak.sql
bzip2 blog.bak.sql

直接使用 MySQL 命令

phpMyAdmin 不能掌控大的数据库所以用直接 MySQL 代码会有所帮助 will help.

1. 把目录改成你想储存临时数据的地方: 

user@linux:~> cd files/blog

2. 使用 mysqldump 来储存所有的数据库表格. 想储存某个特定的数据库表格,在通过(tablename tablename tablename)显示出来的地方给它们命名, 忽略( ) 中的圆括号. (想获得帮助信息, 尝试: man mysqldump.): 

user@linux:~/files/blog> mysqldump --add-drop-table -h mysqlhostserver
 -u mysqlusername -p databasename (tablename tablename tablename) | bzip2
 -c > blog.bak.sql.bz2

Enter password: (enter your mysql password)
user@linux~/files/blog>
Example:
mysqldump --add-drop-table -h db01.example.net -u dbocodex -p dbwp | bzip2 -c > blog.bak.sql.bz2

Enter password: my-password
user@linux~/files/blog>

| (pipe)之后的bzip2 -c语句意思是备份已经被压缩, > blog.bak.sql.bz2发送bzip到一个名字叫做的文件中。 blog.bak.sql.bz2. 和下面两个命令做的是同样的事情： 

mysqldump --add-drop-table -h db01.example.net -u dbocodex -p dbwp > blog.bak.sql
bzip2 blog.bak.sql

Using MySQL Administrator

MySQL Administrator is a program for performing administrative operations, such as configuring your MySQL server, monitoring its status and performance, starting and stopping it, managing users and connections, performing backups, restoring backups and a number of other administrative tasks. You can perform most of those tasks using a command line interface such as that provided by mysqladmin or mysql, but MySQL Administrator is advantageous in the following respects:

  • Its graphical user interface makes it more intuitive to use.
  • It provides a better overview of the settings that are crucial for the performance, reliability, and security of your MySQL servers.
  • It displays performance indicators graphically, thus making it easier to determine and tune server settings.
  • It is available for Linux, Windows and MacOS X, and allows a remote client to backup the database across platforms. As long as you have access to the MySQL databases on the remote server, you can backup your data to wherever you have write access.
  • There is no limit to the size of the database to be backed up as there is with phpMyAdmin.

MySQL Administrator is designed to work with MySQL servers versions 4.0 and above.

使用 MySQL 管理员

MySQL 管理员是一个执行管理的程序。 操作, 如设置你的MySQL 服务器, 监测它的状态和表现, 开始或者是停止, 管理用户和连接，执行备份，储存备份等等一系列其他管理任务。你可以使用命令行界面执行这些任务中的大多数。如由mysqladmin 或者 mysql提供的, 但是MySQL 管理员在下面这些方面更具有优势：

  • 图形用户界面让它更容易使用
  • 它提供了更好的对你的MySQL服务器的界面，可靠性和安全性至关紧要的设置总览。
  • 它显示性能指示器是图形化的，这更容易决定和调整服务器设置。
  • Linux, Windows and MacOS X都可以使用, 允许远程客户端备份数据库交叉平台. 只要你进入了远程MySQL 数据库, 你就可以备份你的数据到任何具有写入权限的地方。
  • 对备份数据库的大小没有限制，因为有phpMyAdmin.

MySQL Administrator 是为MySQL servers 版本 4.0 及以上设计使用的。

Getting MySQL Admin

MySQL Admin may be downloaded from the MySQL.Com site. Installation binaries and documentation may also be found there.

得到MySQL 管理

MySQL 管理可以从the MySQL.Com site下载. 安装文件也可以从这里找到.

Backing Up the Database

This assumes you have already installed MySQL Admin and set it up so that you can login to the MySQL Database Server either locally or remotely. Refer to the documentation that comes with the installation package of MySQL Admin for your platform for installation instructions.

1. Open the MySQL Admin client and login as you had previously set up to do.

2. From the icon menu on the left hand side of the client window select Backup.

3. If you have not already created a Backup Project, do this now by clicking on the "New Project" button at the lower part of the window and type in a name for the Backup Project where prompted.

4. Select one or more databases that you want to Backup (in the MySQL Admin client these are called a "Schema" (pl. "Schemata")). Add them to the Backup Content window on the right using the right-pointing arrow button.

5. When you have selected the Schema(ta), you can save the Backup Project. Or you may simply choose to Backup Now using the button on the lower right of the window.

6. A dialogue will come up asking you where to put the Backup. Enter the pathname or browse to the location using the dialogue.

7. Assuming all is correct (and you have write permissions in the directory to which you are writing the Backup), the backup will complete shortly.

备份数据库

这里假设你已经安装了MySQL Admin 并设置好，这样你就可以本地或者远程登陆MySQL Database Server. 查阅安装说明中的MySQL Admin安装包文件。

1. 打开MySQL Admin 客户端登陆.

2. 从程序窗口左边的图像菜单中选择Backup.

3. 如果你没有创建一个Backup 项目, 现在点击窗口下部的 "New Project" 按钮，为Backup Project输入一个名字.

4. 选择一个或者更多你想备份的数据库(在MySQL Admin 程序中，这些叫做 "Schema" (pl. "Schemata")). 使用指向右边的箭头把它们加入到右边的Backup Content 窗口 。

5. 当你选择了Schema(ta), 你可以保存备份项目. 或者你可以简单的选择右下方的Backup Now 按钮.

6. 一个对话框将会产生，询问你要把备份保存在什么地方。输入路径名字或者通过浏览保存。

7. 假设所有步骤都正确 (并且你在写备份的目录拥有写入权限), 备份会很快完成.

Restoring From a Backup

1. Open the MySQL Admin client and login as you had previously set up to do.

2. From the icon menu on the left hand side of the client window select Restore.

3. Click the "Open Backup File" button on the lower right of the window.

4. Type in or browse to the Schema(ta) backup file and select. Click "Open".

5. The Target Schema(ta) will most likely be the "Original Location", or you may choose an alternate location using the drop-down menu.

6. Click the "Start Restore" button on the lower right of the window. The database restore will commence.

从备份中恢复

1. 打开MySQL Admin 程序登陆.

2. 从图形界面的程序窗口左手边选择 Restore.

3. 点击右下方的"Open Backup File" 按钮。

4. 输入或者浏览至 Schema(ta) 备份文件，选择，点击"Open".

5. 目标 Schema(ta) 通常会在"Original Location", 或者你可以使用下拉菜单选择一个替代位置.

6. 点击右窗口下方 "Start Restore" 按钮。 数据库恢复开始


Using WordPress Database Backup Plugin

Austin Matzko maintains a WordPress plugin originally created by Skippy called WordPress Database Backup. It was bundled with WordPress 2.0 but is no longer included with WordPress 2.1.

使用WordPress 数据库备份插件

Austin Matzko 维持了一个 WordPress 插件 ，最初是Skippy创建的，叫做 called WordPress 数据库备份. 它与WordPress 2.0绑定，但是现在不包括在WordPress 2.1中了。

Install the Plugin

  1. If you do download the plugin, follow the directions in the wp-db-backup.txt file to install the plugin correctly.

安装插件

  1. 如果你下载了这个插件，按照wp-db-backup.txt 文件中的说明正确安装插件.

Activate the Plugin

  1. Make sure the wp-content folder is writeable by your server (change its CHMOD)
  2. Go to your Administration > Plugins > Plugins Panel and activate the plug-in

激活插件

  1. 确定wp-content 文件夹是通过你的服务器 可写入的 (更改 CHMOD)
  2. 进入Administration > Plugins > Plugins Panel 激活插件。

Backing up

  1. Navigate to Administration > Manage > Backup Panel
  2. Select any tables, in addition to the core WordPress tables, that should be backed-up. Select the Backup Options; the backup can be saved on the server, downloaded, or emailed. Finally, click on the Backup button to actually perform the backup. If you have installed the WP-Cron plugin, you can schedule daily backups.

备份

  1. 进入Administration > Manage > Backup Panel
  2. 选择任何表格, 除了核心WordPress表格, 都应该被备份. 选择备 Backup操作; 备份会被保存到服务器上，下载或者被邮寄. 最后, 点击Backup按钮来执行备份。如果你安装了WP-Cron 插件, 你可以设置每日备份.

Restoring the Data

The file created is a standard SQL file. If you want information about how to upload that file, look at WordPress:Restoring Your Database From Backup.

恢复数据

创建的文件是标准的 SQL 文件. 如果你想知道如何上传文件，参见从备份中恢复数据.

Using CocoaMySQL

CocoaMySQL is a free MySQL client for Mac OS X.

Open your database from CocoaMySQL and choose File → Export → MySQL file…, and check these options:

  • Add drop table
  • Add create table
  • Add table content

WordPress:Image:cocoamysql_export_dialog.png

使用 CocoaMySQL

CocoaMySQL是一个免费的基于Mac OS X的 MySQL 客户端.

从CocoaMySQL 打开你的数据库选择File → Export → MySQL file…, 查看如下操作:

  • Add drop table
  • Add create table
  • Add table content

WordPress:Image:cocoamysql_export_dialog.png

Resources and Backup Plugins

资源和备份插件

取自“https://www.zzbaike.com/wiki/index.php?title=WordPress:Backing_Up_Your_Database&oldid=2000”