040000 tree 2dc8f51c914e0a693fff46556582647499f9746f	Alter
040000 tree 0cb4ce9f3530b9efc91e2e41c02c61f0d543333e	Backup-and-Restore
040000 tree 2c7c4df98e8b33d9fe4e093ea3d2a47c101c7fc0	Create
040000 tree cfb63ac2aaf8d62e12e97e0015033e6ced410a2e	Drop