There is an easy way to generate SQL Loader control files using SQL Developer Import functionality as described by the post below http://www.thatjeffsmith.com/archive/2012/08/using-oracle-sql-developer-to-setup-sqlloader-runs/ Using Oracle SQL Developer to Setup SQL*Loader Runs by thatjeffsmith on August 15, 2012 55 comments Tell Others About This Story: 0 1 0 I've done a couple of posts on how to use SQL Developer to load your Excel files to an Oracle table. However, I always wonder how many folks realize there may be a 'better way.' If you are loading data to Oracle on a regular basis, there's a few things I want you to know about: SQL*Loader Data Pump External Tables SQL*Loader is a client tool. It runs on your desktop and connects to the database over SQL*Net. It's part of the Oracle Client installation. It reads one or more files, parses the data, and loads it to your tables. A control (CTL) file that defines how the data i...