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Asked: 2026-05-27T07:33:52+00:00

Using SQL*Loader, I want a condition like this: Load the record if : substr(Col,3,2)=’06’

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Using SQL*Loader, I want a condition like this:

Load the record if : substr(Col,3,2)='06'

      Col
    ------
   10062034
      .
      .
      .

Is there any way to combine WHEN with substr (or any other function) in control file?

I tried WHEN (substr(Col,3,2)='06') but it didn’t work.

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1 Answer

  1. Editorial Team

    No, the syntax for the WHEN clause is quite restrictive; see http://docs.oracle.com/cd/B14117_01/server.101/b10825/ldr_control_file.htm#i1005657. You can only restrict based on either an entire field, or else on specific character positions. That said, if you’re using a fixed format, then you can express substr(Col,3,2) as a range of character positions, and that will work. For example, if Col starts at character #20, then you can use WHEN (22:23) = '06'. But if you’re using a free format, like FIELDS TERMINATED BY "," OPTIONALLY ENCLOSED BY '"', then you won’t generally know the character-offset of Col.

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