Oracle教程 2023-03-27

Oracle 视图 ALL_ANALYTIC_VIEW_DIMENSIONS 官方解释，作用，如何使用详细说明

本站中文解释

Oracle 视图 ALL_ANALYTIC_VIEW_DIMENSIONS 用于查询通过关系型数据视图 M_RS_VIEW_COLUMNS 构建的各个分析视图中可使用的维度列信息，包括列名、类型、长度、是否可为空等信息。

使用方法：

该视图提供了以下查询字段：

VIEW_NAME：视图名称。
COLUMN_NAME：维度字段名称。
DATA_TYPE：维度字段类型。
DATA_LENGTH：维度字段长度。
NULLABLE：该字段是否可为空。

使用方式：通过指定视图名称，查询该视图所有可用的维度字段：

SELECT * FROM ALL_ANALYTIC_VIEW_DIMENSIONS WHERE VIEW_NAME = ‘view_name’;

官方英文解释

ALL_ANALYTIC_VIEW_DIMENSIONS describes the attribute dimensions in the analytic views accessible to the current user.

Related Views

DBA_ANALYTIC_VIEW_DIMENSIONS describes the attribute dimensions in all analytic views in the database.
USER_ANALYTIC_VIEW_DIMENSIONS describes the attribute dimensions in the analytic views owned by the current user. This view does not display the OWNER column.

Column	Datatype	NULL	Description
`OWNER`	`VARCHAR2(128)`	`NOT NULL`	Owner of the analytic view
`ANALYTIC_VIEW_NAME`	`VARCHAR2(128)`	`NOT NULL`	Name of the analytic view
`DIMENSION_OWNER`	`VARCHAR2(128)`	`NOT NULL`	Owner of the schema containing the attribute dimension
`DIMENSION_NAME`	`VARCHAR2(128)`	`NOT NULL`	Name of the attribute dimension
`DIMENSION_ALIAS`	`VARCHAR2(128)`		Alias of the attribute dimension in the analytic view
`DIMENSION_TYPE`	`VARCHAR2(8)`		Type of the attribute dimension: `TIME` `STANDARD`
`ALL_MEMBER_NAME`	`CLOB`		An expression for the name of the ALL member for the attribute dimension
`ALL_MEMBER_CAPTION`	`CLOB`		An expression for the caption for the ALL member of the attribute dimension, or NULL if not specified
`ALL_MEMBER_DESCRIPTION`	`CLOB`		An expression for the description for the ALL member of the attribute dimension, or NULL if not specified
`REFERENCES_DISTINCT`	`VARCHAR2(1)`		Indicates whether the reference between the fact table key and the attribute dimension attribute specifies the `DISTINCT` keyword. Possible values are: `Y`: The reference specifies the `DISTINCT` keyword. `N`: The reference does not specify the `DISTINCT` keyword.
`ORDER_NUM`	`NUMBER`	`NOT NULL`	Order number of the attribute dimension in the analytic view
`ORIGIN_CON_ID`	`NUMBER`		The ID of the container where the data originates. Possible values include: `0`: This value is used for rows in non-CDBs. This value is not used for CDBs. n: This value is used for rows containing data that originate in the container with container ID n (n = 1 if the row originates in root).

本站中文解释

官方英文解释

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