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any select statement like uniq in unix

any select statement like uniq in unix

2004-03-15       - By Victoria Reznichenko

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"Jan Blomqvist " <jan.blomqvist@(protected) > wrote:
> Hi! Is there a select statement , wich works like the command uniq in unix,
> if I shall list a table with a column wich for example is telephonenumber
> and the same number occurs like 1000 times, and I wan,t i present just once
> and also the count how many times it occurs in the table.
>

It 's possible with COUNT() function and GROUP BY clause:
   SELECT telephonenumber, COUNT(*) FROM table GROUP BY telephonenumber;


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