Oracle 视图 DBA_WI_PATTERN_ITEMS 官方解释,作用,如何使用详细说明
本站中文解释
Oracle视图DBA_WI_PATTERN_ITEMS包含了表空间中和模式关联的项目列表。它是由Oracle的表字典数据字典视图DBA_SEGMENTS表空间和DBA_WI_PATTERNS视图,以及许多其他视图或系统表组成的关联集合。它可以用来帮助DBAs查看特定模式所涉及的表空间下的项目,以及这些项目所使用的空间类型,以及项目占用的存储空间。
DBA_WI_PATTERN_ITEMS 视图可以用于帮助 DBA 在特定模式下快速获取项目列表,并识别出它们的空间类型,以及它们的大小和位置。它可以帮助 DBA 以更有效的方式监控项目存储空间使用。
要使用DBA_WI_PATTERN_ITEMS视图,可以使用以下SQL语句查看指定模式中所有项目的信息:
SELECT * FROM DBA_WI_PATTERN_ITEMS WHERE PATTERN_NAME='[SCHEMA_NAME]’;
官方英文解释
Each row in DBA_WI_PATTERN_ITEMS
represents a template that participates in a significant pattern that has been found by the given Workload Intelligence job.
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The identifier of the job in the workload of which the current pattern has been found |
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The identifier of the pattern to which the current item (template) belongs |
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Number that indicates the position of the current item in the given pattern |
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The identifier of the template that participates in the given position of the current pattern |
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A flag that indicates whether or not the current item marks the beginning of a loop in the given pattern. The possible values are |
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A flag that indicates whether or not the current item marks the end of a loop in the given pattern. The possible values are |