Updating views in oracle

If a materialized view is configured to refresh on commit, you should never need to manually refresh it, unless a rebuild is necessary.Remember, refreshing on commit is a very intensive operation for volatile base tables.CREATE VIEW sup_orders AS SELECT suppliers.supplier_id, orders.quantity, orders.price FROM suppliers INNER JOIN orders ON suppliers.supplier_id = orders.supplier_id WHERE suppliers.supplier_name = 'IBM'; CREATE or REPLACE VIEW sup_orders AS SELECT suppliers.supplier_id, orders.quantity, orders.price FROM suppliers INNER JOIN orders ON suppliers.supplier_id = orders.supplier_id WHERE suppliers.supplier_name = 'Microsoft'; A VIEW in SQL is created by joining one or more tables.When you update record(s) in a view, it updates the records in the underlying tables that make up the SQL View.The example code in this article assumes DB1 is the master instance and DB2 is the materialized view site.-- Normal CREATE MATERIALIZED VIEW view-name BUILD [IMMEDIATE | DEFERRED] REFRESH [FAST | COMPLETE | FORCE ] ON [COMMIT | DEMAND ]

VALUE) by oracle; disconnect from oracle;quit; But it did not update table test_data.

This allows the work to be done once and used repeatedly by multiple sessions, reducing the total load on the server.

This keyword force to create View even if the table does not exist.

there for I used following code,proc sql ; connect to oracle(user=rrimal orapw=XXXXXX path=clrabc); execute( merge into clrabc.

TEST_DATA A USING (SELECT * FROM clrabc.t EST_DATA_TWO ) B ON (A.

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