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 .
Converting a "NO Standby" to "YES Standby" database
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In my previous *blog post *and *video*, I had demonstrated creating a PDB
(as a clone from an existing PDB) to be used for some testing/validation
for a...
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