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 .
rowlen surprise
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Here’s a little detail about Oracle’s calculation of
user_tables.avg_row_len that I hadn’t noticed before – and I really should
have noticed it years ago, ...
Acum o zi
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