Adds an attribute and values to, or removes an attribute and valuesfrom, a manual DB snapshot.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/rds/modify-db-snapshot-attribute.html
| aws rds modify-db-snapshot-attribute \ |
| Sharing a DB Snapshot - Amazon Relational Database Service : http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_ShareSnapshot.html |
| aws rds modify-db-snapshot-attribute --db-snapshot-identifier |
| mysql - restore snapshots from another instance - Stack Overflow : http://stackoverflow.com/questions/24244040/restore-snapshots-from-another-instance |