SELECT CONCAT('ALTER TABLE `', table_name, '` ENGINE=InnoDB;') AS sql_statements
FROM information_schema.tables AS tb
WHERE table_schema = 'mabase'
AND `ENGINE` = 'MyISAM'
AND `TABLE_TYPE` = 'BASE TABLE'
ORDER BY table_name DESC;
SET SQL_MODE='ALLOW_INVALID_DATES';
.....
Sinon il y a un warning empechant toute conversion à partir de la version Mysql 5.7