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Customers who have migrated their IQ servers to IQ 15, 15.0 ESD 1, 15.1 or 15.1 ESD 1 using 'iqunload -au' are notified that, in rare cases, migrated system tables may contain incorrect metadata. This incorrect metadata can result in the inability to modify the schema or rows within the database which may result in the server returning an internal exception and/or permit you to update the primary key values involved in a referential relationship in a way that violates referential Integrity (RI).


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