Different databse engines can use for database tables. Database engines are different in architecture.
Some occasions demands the db engine change of table.
Usually tables are creating in MyISAM storage engine
InnoDB is the another option.It has advantages over MyISAM. InnoDB gives more importance to relational schema.
We can do it easily by mysql query
Take phpmyadmin
click on the database
click on sql tab
then execute the following sql statement.
ALTER TABLE your-table-name ENGINE = InnoDB;
example: ALTER TABLE smarttips_user ENGINE = InnoDB;