Where does the database created in mysql exist?

Database files are usually stored in the database directory within the MySQL data directory, which has the same name as the database. MySQL also uses tablespace directories, temporary directories, and log directories to store related data. Including data files, table space files, temporary data and log files. The default location of these directories can be changed in the MySQL configuration file.

Database file storage location

Databases created in MySQL and their related files are usually stored in the following locations:

1. Data directory

• Linux/Unix: /var/lib/mysql/
• Windows: C:\ProgramData\MySQL \MySQL Server 8.0\data\

2. Database directory

The data directory will contain a subdirectory, which stores the files of each database. Each database's catalog name is the same as its database name.

3. Table space directory

In MySQL 5.1 and later versions, data can be spread across multiple file systems or storage devices through table spaces. The tablespace directory stores related tablespace files.

4. Temporary directory

MySQL will use a temporary directory to store temporary data when performing certain queries or operations. The default temporary directory is located at:

• Linux/Unix: /tmp/
• Windows: C:\Windows\Temp\

5. Log Directory

Log files created by MySQL are stored in the log directory. These log files contain information about database operations, errors, and warnings. The default log directory is located at:

• Linux/Unix:/var/log/mysql/
• Windows: C:\ProgramData\MySQL\MySQL Server 8.0\logs\

Note:

• The default values ​​of the above directories can be changed in the MySQL configuration file.
• The location where database files are saved is critical to the performance and maintenance of the database.
• Ensure that the database directory and log directory have sufficient storage space and appropriate permissions.

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