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The default storage engine can be changed in the MySQL config file, which on Linux (e.g. RHEL, CentOS, Debian, SLES, etc.) is stored at /etc/my.cnf
Within that file there SHOULD be a section labeled [mysqld]. Add the following line immediately below that label so that the result is as follows:
[mysqld]
default-storage-engine = myisam
You will then need to restart the mysqld process. There are different ways to accomplish this task depending upon your version of Linux. One way is as follow:
/etc/init.d/mysql stop
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