If a table scan is used, the clustering would not really be beneficial because DB2 still has to read all rows and then the physical ordering is not very important.
如果使用表扫描，那么聚集就不会真正有益，因为DB 2仍然必须读取所有的行，那么物理排序不很重要了。
2
Table after table answered the captain's call, ordering their bottles.
客人们纷纷响应“船长”的号召，点了一瓶又一瓶的朗姆酒。
3
Customize the formatting ordering of the predicates according to various criteria such as local predicates or join predicates, and table references.