Unique vs Distinct keyword in Oracle

Question

I am a bit confused about the uses of these words. I have a table with he following columns: SITE, LAT, LONG, NAME, ......

I want results with unique (or is it disti

Answer 1

UNIQUE is used for defining contraints on the data that can be stored in the table.

DISTINCT is used in queries to remove duplicates from the result set, without affecting the underlying table data.