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November 2024
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CentOS 7 rpm installed under the MySQL 5.6.36

CentOS 7 under the local installation of MySQL 5.7, but the springboot integration jpa will appear hibernateException, do not know why, for a MySQL5.6 version of MySQL, source installation, cmake has been through, and later into rpm installation.

Local installation of mysql5.7, but the integration of springboot jpa will appear hibernateException, do not know why, for a mysql5.6 version of the mysql, source installation, cmake has been through, and later changed to rpm installation

1, get mysql5.6

Ftp://ftp.mirrorservice.org/sites/ftp.mysql.com/Downloads/MySQL-5.6/

download: 

Where el6 identifies centos 6, el7 identifies centos 7

2, installation

Rpm -ivh MySQL- *

3, start

Systemctl start mysql

4, view the initial password

Cat /root/.mysql_secret

5, change the password

Mysql -uroot -pKAKt5JmEjm6B8omV
SET PASSWORD = PASSWORD('root');

6, remote login settings

Mysql> user mysql;
Mysql > select host, user, password from user;
Mysql > update user set password = password ( ' root ' ) where user = ' root ' ;
MySQL > Update the User the SET Host = ' % '  the WHERE the User = ' root ' and Host = ' localhost ' ; 

authorized 
GRANT  ALL  PRIVILEGES  . ON * *  the TO  'root' @ '%' IDENTIFIED  BY  'Here is your password'  the WITH  GRANT

7, set the boot start

[Root @ localhost ~ ] # chkconfig mysql on
[Root @ localhost ~] # chkconfig --list | grep mysql

8, MySQL default installation location

/ Var / lib / mysql /                # database directory
 / usr / share / mysql # configuration file directory
 / usr / bin # related command directory
 /etc/init.d/mysql # start script

9, modify the default character set and so on

Vim /etc/my.cnf

[client] 
password        = root
port            = 3306 
default-character-set=utf8 
[mysqld] 
port            = 3306 
character_set_server=utf8 
character_set_client=utf8 
collation-server=utf8_general_ci 
lower_case_table_names=1 
max_connections=1000 
[mysql] 
default-character-set = utf8 

10, view the character set

Show variables like ' % collation% ' ;  
Show variables like ' % char% ' ;

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