How to update complex view in oracle?

Merlin Weissnat asked a question: How to update complex view in oracle?
Asked By: Merlin Weissnat
Date created: Thu, Apr 8, 2021 7:50 PM


Top best answers to the question «How to update complex view in oracle»

  • you can update complex view through 'instead of triggers' in oracle. create or replace view v1 as select EMPNO,ENAME,JOB,MGR,HIREDATE,SAL,COMM,dname from emp e ,dept d where d.deptno = e.deptno Instead of updating the view, you can create a trigger which overrides the default operation of


Those who are looking for an answer to the question «How to update complex view in oracle?» often ask the following questions:

💻 How to update materialized view in oracle?

  • The simplest form to refresh a materialized view is a Complete Refresh. It loads the contents of a materialized view from scratch. This means, if the SQL query of the materialized view has an execution time of two hours, the Complete Refresh takes at least two hours as well – or ofter even longer.

💻 What is oracle material view?

  • A materialized view in Oracle is a database object that contains the results of a query. It stores data physically and get updated periodically.

💻 Is it possible to update a record through a view in oracle?

  • Oracle has two different ways of making views updatable:- The view is "key preserved" with respect to what you are trying to update. This means the primary key of the underlying table is in the view and the row appears only once in the view. You write an instead of trigger.

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