Oracle教程 2023-03-25

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

Oracle视图ALL_HIER_HIER_ATTRIBUTES_AE提供了用于存储用户定义的层级上下文属性的元数据信息。ALL_HIER_HIER_ATTRIBUTES_AE存储属性的说明，EDC的类型，标签和分类信息，以及属性是否是必需的信息。

使用ALL_HIER_HIER_ATTRIBUTES_AE视图查询特定层级上下文属性的元数据信息：

SELECT * FROM all_hier_hier_attributes_ae WHERE hier_object_name = ” AND attribute_name = ”;

ALL_HIER_HIER_ATTRIBUTES_AE describes the hierarchical attributes of the hierarchies (across all editions) accessible to the current user.

Related Views

DBA_HIER_HIER_ATTRIBUTES_AE describes the hierarchical attributes of all hierarchies (across all editions) in the database.
USER_HIER_HIER_ATTRIBUTES_AE describes the hierarchical attributes of 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
`HIER_ATTR_NAME`	`VARCHAR2(128)`		Name of the hierarchical attribute
`EXPRESSION`	`CLOB`		The expression defining the hierarchical attribute value
`ORDER_NUM`	`NUMBER`	`NOT NULL`	Order of the hierarchical attribute in the list of hierarchical attributes
`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.