Cluster Indexes: It is created on clustered tables.

聚类指标：它是在聚集表创建。

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Indexed views have the same storage structure as clustered tables.

索引视图与聚集表具有相同的存储结构。

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Not supported are range clustered tables (RCT), materialized query tables (MQT), and typed tables.

不支持范围簇表（RCT）、物化查询表（MQT）和有类型的表。

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DB2 V8.2.2 enhances Range Clustered tables (RCTs), first introduced in V8.1.4, with a percent-free option that you can use with regular DB2 tables.

DB 2V8.2.2enhancesRangeClustered Table (RCT)最先是在V8.1.4中引入的，带有一个percent - free选项，该选项可用于常规的db2表。

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If the table in your query are pretty small (usually fewer than 1,000 rows) or clustered tables, and your query is not selective at all, it would be beneficial to use a table scan.

如果查询中的表极其小(通常少于1,000行)或者是群集表，而且查询根本没有选择性的话，那么使用表扫描会更好一些。

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Never fire-up a non-clustered instance against the same set of tables that any other instance is running against.

永不火了一个非群集对同一套表格，例如，任何其他实例正在运行反对。

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Never fire-up a non-clustered instance against the same set of tables that any other instance is running against.

永不火了一个非群集对同一套表格，例如，任何其他实例正在运行反对。

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