It provides a similar multi-column layout with a similar feature set, including custom groups.
它提供了一个具有类似的多栏布局的功能集,包括自定义组。
At the same time, the utility does not collect certain key statistics, such as multi-column and distributed statistics.
同时,工具不会收集某个键的统计数据,例如多列和分布统计数据。
You can leverage the extended use of multi-column statistics in DB2 9.5 to provide the optimizer more information to better estimate the cardinality in order to choose an optimal query access plan.
您可以利用 DB2 9.5 中的多列统计信息的扩展用途来为优化器提供更多的信息,从而使优化器更好地估计基数,选择最佳的查询访问计划。
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