http://itknowledgeexchange.techtarget.com/itanswers/import-utility-in-oracle/ Thu, 20 Jun 2013 08:35:16 +0000 hourly 1 http://itknowledgeexchange.techtarget.com/itanswers/import-utility-in-oracle/#comment-44374 alanmuster Fri, 05 Aug 2005 17:16:19 +0000 #comment-44374 By default import will not overwrite any data in an existing table if IGNORE=N. Instead it will attempt to create the table and fail because it already exists. If IGNORE=Y and ROWS=Y then the import will proceed and attempt to insert rows into the table. If there is no unique of primary key on the table then it will be possible for import to insert rows which already exist and you will end up with duplicates. If a key exists then some inserts will fail and some will succeed.

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