Question

First of all I am using Oracle 10g Express

So there are three columns I want to select:

[domain_name] [index_path] [collection_name]

Now there are two columns that I want to be unique:

[domain_name] [index_path]

So my issue is how do I basically:

select unique domain_name, index_path from TABLENAMEHERE

while also selecting the column [collection_name]

Answer 1

If there are multiple rows for some combinations of domain_name, index_path then what value of collection_name would you want to see from those rows? If you don’t mind which value then do:

SELECT domain_name, index_path, MIN(collection_name) collection_name
FROM TABLENAMEHERE
GROUP BY domain_name, index_path;