Can you update oracle view

This gives a detailed description of how the process works. Including what happens if you write conflicting changes to the table and MV! Rating 8 ratings Is this answer out of date? You can also catch regular content via Connor's blog and Chris's blog. Or if video is more your thing, check out Connor's latest video and Chris's latest video from their Youtube channels.

And of course, keep up to date with AskTOM via the official twitter account. Questions How to update a materialized view directly. Question and Answer. You Asked Hi Can we update data in Materialized view directly using update statement.

Thank you so much Chris. There are two times when you can update a record through a view: If the view has no joins or procedure calls and selects data from a single underlying table. LBushkin LBushkin k 31 31 gold badges silver badges bronze badges. Mostly true, but it is possible to update a join view in some cases. Radi Soufan Radi Soufan 89 1 1 silver badge 7 7 bronze badges. The Overflow Blog.

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Specify a correlation name alias for the table, view, or subquery to be referenced elsewhere in the statement. Specify the name of a column of the object that is to be updated. If column refers to a LOB object attribute, then you must first initialize it with a value of empty or null. You cannot update it with a literal.

If column is part of the partitioning key of a partitioned table, then UPDATE will fail if you change a value in the column that would move the row to a different partition or subpartition, unless you enable row movement. If this subquery refers to remote objects, then the UPDATE operation can run in parallel as long as the reference does not loop back to an object on the local database.

If no default value for the corresponding column has been specified, then the database sets the column to null. If you omit this clause, then the database updates all rows in the table or view. Please refer to Chapter 7, "Conditions" for the syntax of condition. Invalid materialized views cannot be used by query rewrite and cannot be refreshed. Oracle Data Warehousing Guide for general information on data warehouses. Oracle Database Concepts for more about dependencies among schema objects.

Specify the schema containing the view.