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Avoid snapshot too old while running an export datapump of a table

edited Jan 26, 2017 4:00AM in Database Utilities (MOSC) 2 commentsAnswered ✓

I want to export a table which size is 112.1 GB a particular characteristic of the tables is a clob column. While we run the export after some time we face ORA-2294 snapshot too old, after that we modify the undo retention parameter to increase the time but without success.  Now we are thinking in another parameter to use trying to avoid this error.

If someone faced this issue and solve using some parameter we will be gratefull if you share the knwoledge. Other wise if you recommend another method...

Database version :

Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production

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