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

本站中文解释

Oracle视图DBA_USED_PRIVS用于查看当前系统中的用户已经使用的权限。它显示了从SYS或PUBLIC视图角度看到的用户的凭据和超权。此视图可以用于查找系统使用的某种特定访问功能，以及帮助定位权限的问题的来源。

使用DBA_USED_PRIVS视图的方法：
1. 打开SQL*Plus，连接到数据库。
2. 登录一个特殊用户，例如SYSDBA，并执行以下SQL：
SELECT GRANTEE, GRANTED_ROLE, ADMIN_OPTION, COMMON, AU_NAME
FROM DBA_USED_PRIVS;
3. 上面的查询将打印出当前系统中所有用户已经使用的权限，包括角色、临时角色、公共角色、管理选项等。

官方英文解释

DBA_USED_PRIVS lists the privileges that are used for the privilege analysis policies reported by the DBMS_PRIVILEGE_CAPTURE.GENERATE_RESULT procedure.

This view provides access to analyzed privilege records in SYS tables.

You must have the CAPTURE_ADMIN role to access this view.

Column	Datatype	NULL	Description
`CAPTURE`	`VARCHAR2(128)`	`NOT NULL`	Name of a privilege analysis policy
`SEQUENCE`	`NUMBER`	`NOT NULL`	The sequence number of the privilege analysis run during which the privilege was reported
`OS_USER`	`VARCHAR2(128)`		Operating system login username
`USERHOST`	`VARCHAR2(128)`		Client host machine name
`MODULE`	`VARCHAR2(64)`		Module name
`USERNAME`	`VARCHAR2(128)`	`NOT NULL`	Name of the user whose privilege was reported
`USED_ROLE`	`VARCHAR2(128)`		Used role
`SYS_PRIV`	`VARCHAR2(40)`		Used system privilege
`OBJ_PRIV`	`VARCHAR2(40)`		Used object privilege
`USER_PRIV`	`VARCHAR2(25)`		Used user privilege
`OBJECT_OWNER`	`VARCHAR2(128)`		Object owner
`OBJECT_NAME`	`VARCHAR2(128)`		Name of the object or user that `OBJ_PRIV` or `USER_PRIV` is used to access
`OBJECT_TYPE`	`VARCHAR2(23)`		Type of the object or user that `OBJ_PRIV` or `USER_PRIV` is used to access
`COLUMN_NAME`	`VARCHAR2(128)`		Name of the column that `OBJ_PRIV` is used to access
`OPTION$`	`NUMBER`		Indicates whether the `GRANT` option or the `ADMIN` option was used: `0` – Indicates that the `GRANT` option or `ADMIN` option was not used `1` – Indicates that the `GRANT` option or `ADMIN` option was used
`PATH`	`GRANT_PATH`		Used privilege grant paths
`RUN_NAME`	`VARCHAR2(128)`		The name of the run during which the privilege was reported