Oracle Databaseでは、ビュー制約を適用していません。制限事項を含むビュー制約の詳細は、「ビュー制約」を参照してください。 関連項目: 「制約付きのビューの作成例:」 object_view_clause object_view_clauseを使用すると、オブジェクト型にビューを定義できます。
如果CREATE VIEW语句指定了此功能，则可以为视图发出INSERT、UPDATE和DELETE语句。要允许通过视图进行更新，...
Oracle CREATE VIEW syntax To create a new view in a database, you use the following Oracle CREATE VIEW statement: CREATE [OR REPLACE] VIEW view_name [(column_aliases)] AS defining-query [WITH READ ONLY] [WITH CHECK OPTION] Code language: SQL (Structured Query Language) (sql) ...
Oracle XML DB Developer's Guidefor information onXMLTypeviews ALTER VIEWandDROP VIEWfor information on modifying a view and removing a view from the database Prerequisites To create a view in your own schema, you must have theCREATEVIEWsystem privilege. To create a view in another user's sch...
(1)在ORACLE官方文档中用此条描述: ou must have been granted one of the following system privileges, either explicitly or through a role: TheCREATEVIEWsystem privilege (to create a view in your schema) TheCREATEANYVIEWsystem privilege (to create a view in the schema of another user) ...
Note: Not all SQL types support this. (e.g. can be done in Oracle and DBT, but not PostgreSQL.)To create a materialized view, add the MATERIALIZED keyword:CREATE MATERIALIZED VIEW myView AS [Query]; To refresh the view manually use the following command:REFRESH MATERIALIZED VIEW [view nam...
18:createorreplaceviewv_dm_test 19:* 20:ERRORatline 1: 21:ORA-01031: insufficientprivileges 22: 23: 24:SQL> 结论:在这个场景出现这个错误,是因为账号dm并没有授予创建视图的权限。需要授予dm账号创建视图的权限。以sys/system等具有DBA权限的账号登陆数据库,授予dm账号创建视图的权限。
( LOCATION ='oracle://<server address>[:<port>]',-- PUSHDOWN = ON | OFF,CREDENTIAL = credential_name)/* * LOCATION: Oracle table/view in '<database_name>.<schema_name>.' format. Note this may be case sensitive in the Oracle database. * DATA_SOURCE: the external data source, ...
( LOCATION ='oracle://<server address>[:<port>]',-- PUSHDOWN = ON | OFF,CREDENTIAL = credential_name)/* * LOCATION: Oracle table/view in '<database_name>.<schema_name>.' format. Note this may be case sensitive in the Oracle database. * DATA_SOURCE: the external data source, ...
( LOCATION ='oracle://<server address>[:<port>]',-- PUSHDOWN = ON | OFF,CREDENTIAL = credential_name)/* * LOCATION: Oracle table/view in '<database_name>.<schema_name>.' format. Note this may be case sensitive in the Oracle database. * DATA_SOURCE: the external data source, ...