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SQL table "unique" rows

Last Modified: 2012-05-07
table 1:
ip# | date                   |  state
1   | 8/8/2000 1:00pm   | CA
1   |8/8/2000 2:00pm    | CA
1  | 8/8/2000 3:00 pm   |  IN
1  | 8/8/2000 4:00 pm   | IN  
the data in table looks like above. What I want to do is create a new table having the same structure, but I want to insert only the first instance of each hits in a state in the given day i.e the new table should look:
ip# | date                   |  state
1   | 8/8/2000 1:00pm | CA
1  | 8/8/2000 3: pm     |  IN
Time is required and I don't want to use cursor-- it has millions of rows.

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