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What is the use of the mysql_install_db tool in MySQL 5.7

2025-04-04 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >

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This article is about the usefulness of the mysql_install_db tool in MySQL 5.7. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Function: initialize the data directory of Mysql

Before the MySQL service runs, mysql_install_db performs some initialization tasks, including:

Initialize the MySQL data directory and create system tables

System tablespaces and related data structures required to initialize InnoDB tables

Load the server-side help table

Install sys user

Create an administrator account, and older versions of the mysql_install_db script may create anonymous accounts.

Prior to MySQL version 5.7.5, mysql_install_db was a Perl script that required Perl to be installed. In version 5.7.5, mysql_install_db was written in C++ and provided an executable binary format.

Example:

/ software/scripts/mysql_install_db-user=mysql-datadir=/data-basedir=/software

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