Oracle教程 2023-02-23

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

Oracle视图ALL_HIERARCHIES_AE是Oracle数据挖掘扩展功能中的内部视图，显示了用户具有查看权限的所有层次结构和IDに関連付けられた层次结构属性。

用途：通过ALL_HIERARCHIES_AE视图，用户可以获取到存储在层次结构和层次结构属性表中的字段信息，便于分析统计不同的层级关系，以及每个层级下的属性值。

使用方法：使用ALL_HIERARCHIES_AE视图的最常见的查询方式是使用“SELECT * FROM all_hierarchies_ae”语句来获取所有层次结构和层次结构属性。

ALL_HIERARCHIES_AE describes the hierarchies (across all editions) accessible to the current user.

Related Views

DBA_HIERARCHIES_AE describes all hierarchies (across all editions) in the database.
USER_HIERARCHIES_AE describes the hierarchies (across all editions) 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 hierarchy
`HIER_NAME`	`VARCHAR2(128)`	`NOT NULL`	Name of the hierarchy
`DIMENSION_OWNER`	`VARCHAR2(128)`	`NOT NULL`	Owner of the attribute dimension used by the hierarchy
`DIMENSION_NAME`	`VARCHAR2(128)`	`NOT NULL`	Name of the attribute dimension used by the hierarchy
`PARENT_ATTR`	`VARCHAR2`		The value of this column is always NULL
`COMPILE_STATE`	`VARCHAR2(7)`		Compile status of the hierarchy: `VALID` `INVALID`
`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).
`EDITION_NAME`	`VARCHAR2(128)`		Name of the application edition where the hierarchy is defined

Note:

This view is available starting with Oracle Database release 21c, version 21.5.