以下表格中收集了Oracle数据字典中几乎所有的视图或别名,至于每个视图或别名的字段请用‘Describe’语句来查询。 命名说明: Oracle数据字典中,对象名称多数以"USER.","ALL.","DBA."为前缀"USER."视图中记录通常记录执行查询的帐户所拥有的对象的信息,"ALL."视图中记录包括"USER"记录和授权至PUBLIC或用户的对象的信息,"DBA."视图包含所有数据库对象,而不管其所有者。 使用举例: select * from dba_data_files 查询表空间的信息(当前用户必须拥有DBA角色) select owner , object_name ,object_type from all_objects 查询某一用户下的所有表、过程、函数等信息
视图名 描述
ALL_CATALOG All tables, views, synonyms, sequences Accessible to the user ALL_COL_COMMENTS Comments on columns of accessible tables and views ALL_COL_GRANTS_MADE Grants on columns for which the user is owner or grantor ALL_COL_GRANTS_RECD Grants on columns for which the user or PUBLIC is the grantee ALL_COL_PRIVS Grants on columns for which the user is the grantor, grantee, owner, or an enabled role or PUBLIC is the grantee