Oracle数据字典

　　 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
　　ALL_COL_PRIVS_MADE Grants on columns for which the user is owner or grantor
　　ALL_COL_PRIVS_RECD Grants on columns for which the user, PUBLIC or enabled role is the grantee
　　ALL_CONSTRAINTS Constraint definitions on accessible tables
　　ALL_CONS_COLUMNS Information about accessible columns in constraint definitions
　　ALL_DB_LINKS Database links accessible to the user
　　ALL_DEF_AUDIT_OPTS Auditing options for newly created objects
　　ALL_DEPENDENCIES Dependencies to and from objects accessible to the user
　　ALL_ERRORS Current errors on stored objects that user is allowed to create
　　ALL_INDEXES Descriptions of indexes on tables accessible to the user
　　ALL_IND_COLUMNS COLUMNs comprising INDEXes on accessible TABLES
　　ALL_OBJECTS Objects accessible to the user
　　ALL_REFRESH All the refresh groups that the user can touch
　　ALL_REFRESH_CHILDREN All the objects in refresh groups, where the user can touch the group
　　ALL_SEQUENCES ?敲?※?????葸???葸??? Description of SEQUENCEs accessible to the user
　　ALL_SNAPSHOTS Snapshots the user can look at
　　ALL_SOURCE Current source on stored objects that user is allowed to create
　　ALL_SYNONYMS All synonyms accessible to the user
　　ALL_TABLES Description of tables accessible to the user
　　ALL_TAB_COLUMNS Columns of all tables, views and clusters
　　ALL_TAB_COMMENTS Comments on tables and views accessible to the user
　　ALL_TAB_GRANTS_MADE User's grants and grants on user's objects
　　ALL_TAB_GRANTS_RECD Grants on objects for which the user or PUBLIC is the grantee
　　ALL_TAB_PRIVS Grants on objects for which the user is the grantor, grantee, owner, or an
　　 enabled role or PUBLIC is the grantee
　　ALL_TAB_PRIVS_MADE User's grants and grants on user's objects
　　ALL_TAB_PRIVS_RECD Grants on objects for which the user, PUBLIC or enabled role is the grantee
　　ALL_TRIGGERS Triggers accessible to the current user
　　ALL_TRIGGER_COLS Column usage in user's triggers or in triggers on user's tables
　　ALL_USERS Information about all users of the database
　　ALL_VIEWS Text of views accessible to the user
　　USER_AUDIT_CONNECT Audit trail entries for user logons/logoffs
　　USER_AUDIT_OBJECT Audit trail records for statements concerning objects, specifically: table,
　　 cluster, view, index, sequence, [public] database link, [public] synonym,
　　 procedure, trigger, rollback segment, tablespace, role, user
　　USER_AUDIT_SESSION 　
　　USER_AUDIT_STATEMENT Audit trail records concerning grant, revoke, audit, noaudit and alter
　　 system
　　USER_AUDIT_TRAIL Audit trail entries relevant to the user
　　USER_CATALOG Tables, Views, Synonyms and Sequences owned by the user
　　USER_CLUSTERS Descriptions of user's own clusters
　　USER_CLU_COLUMNS Mapping of table columns to cluster columns
　　USER_COL_COMMENTS Comments on columns of user's tables and views
　　USER_COL_GRANTS Grants on columns for which the user is the owner, grantor or grantee
　　USER_COL_GRANTS_MADE All grants on columns of objects owned by the user
　　USER_COL_GRANTS_RECD Grants on columns for which the user is the grantee
　　USER_COL_PRIVS Grants on columns for which the user is the owner, grantor or grantee
　　USER_COL_PRIVS_MADE All grants on columns of objects owned by the user
　　USER_COL_PRIVS_RECD Grants on columns for which the user is the grantee
　　USER_CONSTRAINTS Constraint definitions on user's own tables
　　USER_CONS_COLUMNS Information about accessible columns in constraint definitions
　　USER_CROSS_REFS Cross references for user's views and synonyms
　　USER_DB_LINKS Database links owned by the user
　　USER_DEPENDENCIES Dependencies to and from a users objects
　　USER_ERRORS Current errors on stored objects owned by the user
　　USER_EXTENTS Extents comprising segments owned by the user
　　USER_FREE_SPACE Free extents in tablespaces accessible to the user
　　USER_INDEXES Description of the user's own indexes
　　USER_IND_COLUMNS COLUMNs comprising user's INDEXes or on user's TABLES
　　USER_JOBS All jobs owned by this user
　　USER_OBJECTS Objects owned by the user
　　USER_OBJECT_SIZE Sizes, in bytes, of various pl/sql objects
　　USER_OBJ_AUDIT_OPTS Auditing options for user's own tables and views
　　USER_REFRESH All the refresh groups
　　USER_REFRESH_CHILDREN All the objects in refresh groups, where the user owns the
　　 refresh group
　　USER_RESOURCE_LIMITS Display resource limit of the user
　　USER_ROLE_PRIVS Roles granted to current user
　　USER_SEGMENTS Storage allocated for all database segments
　　USER_SEQUENCES Description of the user's own SEQUENCEs
　　USER_SNAPSHOTS Snapshots the user can look at
　　USER_SNAPSHOT_LOGS All snapshot logs owned by the user
　　USER_SOURCE Source of stored objects accessible to the user
　　USER_SYNONYMS The user's private synonyms
　　USER_SYS_PRIVS System privileges granted to current user
　　USER_TABLES Description of the user's own tables
　　USER_TABLESPACES Description of accessible tablespaces
　　USER_TAB_AUDIT_OPTS Auditing options for user's own tables and views
　　USER_TAB_COLUMNS Columns of user's tables, views and clusters
　　USER_TAB_COMMENTS Comments on the tables and views owned by the user
　　USER_TAB_GRANTS Grants on objects for which the user is the owner, grantor or grantee
　　USER_TAB_GRANTS_MADE All grants on objects owned by the user
　　USER_TAB_GRANTS_RECD Grants on objects for which the user is the grantee
　　USER_TAB_PRIVS Grants on objects for which the user is the

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