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When DB2 dies, it'll dump its error codes out in the SQL Exception: DB2 SQL error: SQLCODE: -803, SQLSTATE: 23505 You can find the meaning of the error code from the db2 command prompt with "? sqlxxxx" where xxxx is the SQLCODE from the error message: [db2inst1@matilda db2inst1]$ db2 ? sql-803 SQL0803N One or more values in the INSERT statement, UPDATE statement, or foreign key update caused by a DELETE statement are not valid because the primary key, unique constraint or unique index identified by "<index-id>" constrains table "<table-name>" from having duplicate rows for those columns. Explanation: The INSERT or UPDATE object table "<table-name>" is constrained by one or more UNIQUE indexes to have unique values in certain columns or groups of columns. Alternatively, a DELETE statement on a parent table caused the update of a foreign key in a... (and so on for about three more pages of text...)
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