Partitioning by first digit of VARCHAR column data

From: <Surendra.Tirumala_at_ky.gov>
Date: Thu, 26 Aug 2004 13:01:54 -0400
Message-ID: <063F65E6A14D0C47A5E9954B3C32354407E51936@agency31.state.ky.us>

Hi,

I have a table with several columns which include a NUMBER(year) and a VARCHAR(some code) columns. The VARCHAR column has values that start with either 1 or 2 or 3 or 4. I would like to have composite range partition key based on YEAR and the first digit of the VARCHAR column. Is there any way I can accomplish this? Can I use some function like SUBSTR to partition the table based on first digit of VARCHAR column data?

Thanks for your help.
Surendra

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Received on Thu Aug 26 2004 - 12:06:50 CDT