Sometimes , there could be also a logical corruption inside an oracle table , which could lead to this error message .
In our case, the corruption was identified by applying length(affected_column) . The result was -1 for a row, which signifies a logical corruption .
Join Factorization - This item is, by a roundabout route, a follow-up to yesterday’s note on a critical difference in cardinality estimates that appeared if you used the coales...
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