[postgis-users] The use of substring()

maduako ikechukwu iykemadu84 at gmail.com
Sun Oct 23 13:02:54 PDT 2011

Hi guys,

I want to extract date information from the filename column of my raster
table to update a new date_of_creation column

but i don't have an idea of how to do this, using the substring() and
casting it.

Please could someone write for me a sample sql instruction on how this is

Thanks a lot.

Iyke Maduako

Masters in Geospatial Technologies
Institute for Geoinformatics,IfGI
University of Muenster Germany
Phone: +4915129048460
Alternative Email:iykefirstclass at yahoo.com
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