How to modify the MySQL 5.5 database data directory under win2008 R2 server

This article mainly introduces the method of modifying the MySQL 5.5 database data directory under win2008 R2 server. Friends in need can refer to the following

Instructions:

Operating system: Windows Server 2008 R2

MySQL version: 5.5.25a

MySQL programInstallationDirectory: D:\Program Files\MySQL\MySQL Server 5.5

MySQL databaseDefault directory: C:\ProgramData\MySQL\MySQL Server 5.5\data\

Requirements:Modify the MySQL database directory to D:\Program Files\MySQL\MySQL Server 5.5\data

Specific operations:

1. Stop MySQL

Start-cmd

net stop mysql55

## 2. Copy the original database directory Go to the new directory

1. Back up the data directory in D:\Program Files\MySQL\MySQL Server 5.5\ to data-bak

2. Copy C:\ProgramData\MySQL \MySQL Server 5.5\data directory to

D:\Program Files\MySQL\MySQL Server 5.5\ directory

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3. Modify the MySQL configuration file

1. Use Notepad to open my.ini

in the C:\ProgramData\MySQL\MySQL Server 5.5\data\ directory and find data

dir="C:\ProgramData\MySQL\MySQL Server 5.5\data"

Add

# comment in front Remove

and add a line below

datadir="D:\Program Files\MySQL\ MySQL Server 5.5\data"

After the modification is completed, save

Exit.

2. Copy C:\

Documents and Settings\All Users\Application Data\MySQL\MySQL Server 5.5 \ directory my.ini to

D:\Program Files\MySQL\MySQL Server 5.5\ directory

## 4. Restart MySQL

1. Start-cmd

net start mysql55

2. Enter the MySQL console

Start-All Programs-MySQL-MySQL Server 5.5-MySQL 5.5 Command Line Client

Prompt to enter the password of the MySQL root account, enter it and press Enter to enter the MySQL console

show variables like ' %datadir%';

#Query the MySQL data

database storage directory, as shown in the figure below

You can see that the MySQL database storage directory has been modified to D: \Program Files\MySQL\MySQL Server 5.5\data

At this point, modifying the MySQL 5.5 database directory under Windows Server 2008 R2 is completed

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