wp db query "SELECT CONCAT('ALTER TABLE ', TABLE_SCHEMA,'.', TABLE_NAME, ' ENGINE=InnoDB;') FROM information_schema.TABLES WHERE ENGINE = 'MyISAM'" --skip-column-names > db_optimize.sql
wp db query < db_optimize.sql
rm db_optimize.sqlwp db query "SELECT CONCAT('ALTER TABLE ', TABLE_SCHEMA,'.', TABLE_NAME, ' ENGINE=InnoDB;') FROM information_schema.TABLES WHERE ENGINE = 'MyISAM'" --skip-column-names > db_optimize.sql
wp db query < db_optimize.sql
rm db_optimize.sql