מדריך לעדכן גירסה ל MySQL 4 ל MySQL 5

CentOS 4 upgrade from MySQL 4 to MySQL 5

 yum –enablerepo=centosplus update mysql

or you could make Fresh MySQL 5 Installation under CentOS 4 (Recommended) by :-

 yum -y remove mysql*

yum –enablerepo=centosplus install mysql

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