Oracle数据字典详解

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1、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*fromdba_data_files　　查询表空间的信息(当前用户必须拥有DBA角色)。　　se

2、lectowner,object_name,object_typefromall_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_CATALOGAlltables,views,synonyms,sequencesaccessibletotheuserALL_COL_COMMENTSCommentsoncolumnsofaccessibletablesandviewsALL_COL_GRANTS_MADEGrantsoncolumnsforwhichtheuserisownerorgrantorALL_COL_GRAN

3、TS_RECDGrantsoncolumnsforwhichtheuserorPUBLICisthegranteeALL_COL_PRIVSGrantsoncolumnsforwhichtheuseristhegrantor,grantee,owner,oranenabledroleorPUBLICisthegranteeALL_COL_PRIVS_MADEGrantsoncolumnsforwhichtheuserisownerorgrantorALL_COL_PRIVS_RECDGrantsoncolumnsforwhichtheuser,P

4、UBLICorenabledroleisthegranteeALL_CONSTRAINTSConstraintdefinitionsonaccessibletablesALL_CONS_COLUMNSInformationaboutaccessiblecolumnsinconstraintdefinitionsALL_DB_LINKSDatabaselinksaccessibletotheuserALL_DEF_AUDIT_OPTSAuditingoptionsfornewlycreatedobjectsALL_DEPENDENCIESDepen

5、denciestoandfromobjectsaccessibletotheuserALL_ERRORSCurrenterrorsonstoredobjectsthatuserisallowedtocreateALL_INDEXESDescriptionsofindexesontablesaccessibletotheuserALL_IND_COLUMNSCOLUMNscomprisingINDEXesonaccessibleTABLESALL_OBJECTSObjectsaccessibletotheuserALL_REFRESHAllther

6、efreshgroupsthattheusercantouchALL_REFRESH_CHILDRENAlltheobjectsinrefreshgroups,wheretheusercantouchthegroupALL_SEQUENCESDescriptionofSEQUENCEsaccessibletotheuserALL_SNAPSHOTSSnapshotstheusercanlookatALL_SOURCECurrentsourceonstoredobjectsthatuserisallowedtocreateALL_SYNONYMSA

7、llsynonymsaccessibletotheuserALL_TABLESDescriptionoftablesaccessibletotheuserALL_TAB_COLUMNSColumnsofalltables,viewsandclustersALL_TAB_COMMENTSCommentsontablesandviewsaccessibletotheuserALL_TAB_GRANTS_MADEUser'sgrantsandgrantsonuser'sobjectsALL_TAB_GRANTS_RECDGrantsonobjectsf

8、orwhichtheuserorPUBLICisthegranteeALL_TAB_PRIVSGrantsonobjectsforwhi