It is possible, however, that some tables cannot be altered. The operations fails with: “ERROR 1478 (HY000): Table storage engine ‘InnoDB’ does not support the create option ‘ROW_FORMAT’”. In that case the failing tables have a SPACE value of 0 in step 2. It basically means that the table does not have an index file of its own, which is required for the Barracuda format. This can be solved with a slightly different SQL command: