您需要使用本地谓词和连接谓词设计索引,以支持高效访问。
You need to design indexes to support efficient access with local predicates and join predicates.
另外,DB 2无法在排序合并合并连接中使用随机顺序的索引列。
Also, DB2 cannot use random order index columns as part of a sort merge join.
因此,DB 2可以使用DOUBLE索引用于快速连接处理。
Therefore, DB2 can use a DOUBLE index for faster join processing.
总成本取决于连接列上是否有索引。
The overall cost depends on whether there is an index on the join columns.
其它资料则按一定的索引规则连接成它们各自的资料库。
The other material are only linked to their own libraries according to certain index principle.
不能执行连接、组合、排序或索引限定。
获取或设置位于集合中指定索引处的连接字符串。
Gets or sets the connection string at the specified index in the collection.
索引优化向导无法连接到指定的服务器。
The Index Tuning Wizard was unable to connect to the specified server.
索引优化向导无法连接到指定的服务器。
The Index Tuning Wizard was unable to connect to the specified server.
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