Even better: SELECT COALESCE(value_of_interest, 'more friendly message') value_of_interest >From poly_table left outer join data_table one poly_table.common_id = data_table.common_id
-- Matheus de Oliveira On Fri, Feb 3, 2012 at 1:05 PM, Matheus de Oliveira < matioli.math...@gmail.com> wrote: > Try that: > > SELECT address, CASE WHEN value_of_interest IS NULL THEN 'more friendly > message' ELSE value_of_interest END value_of_interest > > From poly_table left outer join data_table one poly_table.common_id = > data_table.common_id > > > -- > Matheus de Oliveira > > > > > > On Fri, Feb 3, 2012 at 10:45 AM, John Morgan <jdmor...@unca.edu> wrote: > >> Hello, >> >> I am doing a left outer join between a polygon table and a data table. >> Everything >> returns fine from this join as expected. However, there are cases where >> there isn?t data for a given polygon and this return as the expected null >> in the result set. I would like to utilize something like a case >> statement >> to catch the nulls and return a ?more friendly? message. I have tried >> unsuccessfully to use the following logic: >> >> *Select case value_of_interest null then ?more friendly message? else >> value_of_interest end* >> >> *From poly_table left outer join data_table one poly_table.common_id = >> data_table.common_id* >> >> If someone could let me know where I am going wrong it would be greatly >> appreciated. >> >> Cheers, >> >> Derek >> > >