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External Table Loading Errors with ORA-01722: invalid number (Doc ID 1351784.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Server - Enterprise Edition - Version: to - Release: 9.2 to 11.2
Information in this document applies to any platform.
This document describes the effect of using Windows platform to generate ASCII files which cannot be directly imported into Unix/Linux Platforms without removing MSDOS/Windows CR/LF


When attempting to load huge flat files via External tables into Oracle tables.
the following error occurs.

The load comes back with a series of errors and 0 rows inserted.

ORA-01722: invalid number


The ASCII data file looks like the following:



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