Datapump TTS quick tip

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I was trying to transport a large number of tablespace datafiles from one database to another, and impdp kept crashing with “PL/SQL: numeric or value error: character string buffer too small.”

It turns out there is a limit on what you can put on a single line in a parameter file. Hence if you have something like:


then you might run into trouble. It’s easily fixed however – just put the entries one per line



  1. You know what scares me?
    In this day and age of “big data”, PCs with multi-GB memory, multiTB main memory servers, we are still seeing overflow errors in Oracle input character fields.
    Someone needs to bring the entire Oracle development group into this millennium…

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