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 >
