Return
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Title
'UDE-00018: Data Pump client is incompatible with database version (null)' using Export Data P -
Description
When trying to export a table using the export Data pump, it returns the error message:
'UDE-00018: Data Pump client is incompatible with database version (null)'
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Cause
Using a higher version of export data pump client (expdp) to connect to a lower version database is not supported.
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Resolution
When using the expdata pump to export data, Oracle recommends to always use the same version Export Data Pump client as the version of the database from which you are taking dump file. Though, you can use up to one major version lower expdp client, but this is not recommended.
If the database version is 11.1.0.6.0 then the expdp tool of any of 11g or 10g can be used but it is recommended to use the 11.1.0.6.0 expdp tool.