ORA-30647: error retrieving access parameters for external
table string.string



ORA-30647: error retrieving access parameters for external table string.string..

Answer / guest

Cause: an error occurred when fetching the access parameters
for the specified external table.

Action: If the access parameter is a query which returns a
CLOB, check EXTERNAL_TAB$ to make sure the query is correct.

Please add more information about this Error

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