Result of SQL Query

SELECT     sname, status
CLUSTER    *
FROM       supplier
WHERE city = "Pittsburgh"

The result cluster-string: C_{sname1,status1} >...> C_{sname-n,status-n}
where each cluster contains a unique (sname,status) pair, and '>' indicates an ordering relation. The materialization is an ordered list of such pairs.

Result of SQL Query

SELECT sname, status CLUSTER * FROM supplier WHERE city = "Pittsburgh" The result cluster-string: Csname1,status1 >...> Csname-n,status-n where each cluster contains a unique (sname,status) pair, and '>' indicates an ordering relation. The materialization is an ordered list of such pairs.

SELECT sname, status CLUSTER * FROM supplier WHERE city = "Pittsburgh"
The result cluster-string: C_{sname1,status1} >...> C_{sname-n,status-n}
where each cluster contains a unique (sname,status) pair, and '>' indicates an ordering relation. The materialization is an ordered list of such pairs.