【oracle笔记】dba_ all_ user_ 表视图

DBA_USERS describes all users of the database, and contains more column than ALL_USERS.

ALL_USERS lists all users of the database visible to the current user. This view does not describe the users (see the related views).

USER_users describes the current user,and contains more columns than ALL_USERS.


DBA > ALL >USER

why contains more columns than ALL_USERS?


DBA_USERS

USERNAME USER_ID PASSWORD ACCOUNT_STATUS LOCK_DATE EXPIRY_DATE DEFAULT_TABLESPACE TEMPORARY_TABLESPACE CREATED PROFILE INITIAL_RSRC_CONSUMER_GROUP EXTERNAL_NAME

ALL_USERS

USERNAME USER_ID CREATED

USER_USERS

USERNAME USER_ID ACCOUNT_STATUS LOCK_DATE EXPIRY_DATE DEFAULT_TABLESPACE TEMPORARY_TABLESPACE CREATED INITIAL_RSRC_CONSUMER_GROUP EXTERNAL_NAME


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