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A Generic Cascade Update Procedure

Oracle Tips by Mike Ault

The Cascade Update Procedures


PROCEDURE update_column(
                old_value              IN VARCHAR2,
                new_value            IN VARCHAR2,
                table_name           IN VARCHAR2,
                update_column   IN VARCHAR2)
-- define state variables for dbms_sql procedures
                cur                          INTEGER;
                rows_processed                 INTEGER;
-- start processing
-- (dbms_output calls are for debugging
-- commented out during normal runtime)
--                DBMS_OUTPUT.PUT_LINE('Table name:
'||table_name||' Column: '||update_column);
                -- initialize the dynamic cursor location for
                -- the dbms_sql process
                -- populate the initialized location with the
statement to be
                -- processed
--                DBMS_OUTPUT.PUT_LINE(
--                'UPDATE '||table_name||' set '||update_column||'='||chr(39)||new_value||chr(39)||chr(10)||


For more information on this topic, I recommend Don Burleson's latest book "Oracle Tuning: The Definitive Reference". 

You can buy it direct from the publisher for 50%-off and get instant access to the code depot of Oracle tuning scripts:


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