CREATE CLUSTER [schema .] cluster ( column datatype [, column datatype]... )
[{ physical_attributes_clause
 | SIZE integer [ K | M ]
 | TABLESPACE tablespace
 | { INDEX | [SINGLE TABLE] HASHKEYS integer [HASH IS expr] }
 }
 [ physical_attributes_clause
 | SIZE integer [ K | M ]
 | TABLESPACE tablespace
 | { INDEX | [SINGLE TABLE] HASHKEYS integer [HASH IS expr] }
 ]...
]
[parallel_clause] [ N0ROWDEPENDENCIES | ROWDEPENDENCIES ] [ CACHE | N0CACHE ];