ORA-42399: cannot perform a DML operation on a read-only view

Cause: An attempt was made to insert, delete, or update row(s) of a view created with read-only option. DML operations on such views are explicitly prohibited.

Action: Perform the desired DML operation on the view''s underlying base table or issue ALTER VIEW ... READ WRITE command to make the view updatable.

Error Type: ORA

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