Performance Issue with Loading Large CSV Files Using Apex Data Load (Doc ID 1996542.1)

Last updated on MARCH 08, 2017

Applies to:

Oracle Application Express (formerly HTML DB) - Version 4.2.6.00.03 and later
Information in this document applies to any platform.

Symptoms

When loading 250,000 records from a CSV file using Apex "Data Load" utility, it takes 10 minutes just to load the file into apex to display the data / table mapping page.  The target table is empty,  no indexes on target table, just a primary key. Not performing any look ups, transformation, or concurrency.  This is a very simple load.  There are zero processes or pl/sql calls.  Not doing any customizations.

Cause

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