Oracle 视图 ALL_DIM_ATTRIBUTES 官方解释,作用,如何使用详细说明
本站中文解释
Oracle视图ALL_DIM_ATTRIBUTES是维度属性的元数据视图,这个视图用于查询维度属性的所有元数据,比如维度属性的名称、层次、排序号等。通过ALL_DIM_ATTRIBUTES视图,用户可以查看相关的维度属性元数据信息,作为有效管理维度属性的依据。
使用ALL_DIM_ATTRIBUTES视图,可以使用SELECT语句,指定查询字段,同时指定WHERE子句,以查询满足条件的维度属性元数据,以及将查询到的结果集进行统计和求和等操作。例如,以下SELECT语句查询某个维度的所有属性:
SELECT *
FROM ALL_DIM_ATTRIBUTES
WHERE DIMENSION_NAME = ‘Dim1’;
官方英文解释
ALL_DIM_ATTRIBUTES
describes the relationship between a dimension level and a functionally dependent column. The level columns and the dependent column must be in the same table.
Related Views
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DBA_DIM_ATTRIBUTES
describes all such dimension relationships in the database. -
USER_DIM_ATTRIBUTES
describes all such dimension attributes in the current user’s schema.
Column | Datatype | NULL | Description |
---|---|---|---|
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Owner of the dimension |
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Name of the dimension |
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Name of the attribute |
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Name of the hierarchy level |
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Dependent column name |
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Indicates whether the attribute is inferred from a JOIN KEY specification ( |
See Also:
-
“DBA_DIM_ATTRIBUTES”
-
“USER_DIM_ATTRIBUTES”