How to check whether mysql is installed in centos:
1. Check whether it has been installed:
yum list installed mysql* rpm -qa | grep mysql*
2. Check whether there is an installation package:
yum list mysql*
How to install mysql in centos:
1. Install mysql client:
yum install mysql
2. Install mysql server:
yum install mysql-server yum install mysql-devel
Recommended tutorial: centos tutorial
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