sql - Unique vs Distinct keyword in Oracle -

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i bit confused uses of these words. have table following columns: site, lat, long, name, ......

i want results unique (or distinct) lat, long. how achieve this?

select unique cola, colb atable  select distinct cola, colb atable

in context, unique , distinct mean same thing.

distinct ansi standard, whereas unique not.

please note unique has many other meanings when used in other area's ie index creation etc.


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