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How to update DB2 table with a duplicate primary key?
To maintain the integrity of a DB2 table the primary key is always unique in the entire table. For example, if we have a DB2 table ORDERS which stores all the orders and the primary key of the table is column ORDER_ID. Then there can be only a single row having a particular order id. This will be useful to identify an order distinctly.
If we try to insert or update a row in a DB2 table having duplicate primary key using a COBOL-DB2 program, we will get DB2 error code -803. As per the IBM documentation - 803 error code states the following−
“Unique index violation. Try to insert duplicate record (Duplicate Error)”
Updated on: 14-Sep-2020
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