php - Select from database without duplicate -

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i'm trying develop php page have problem, data data base without duplicate. 

$tsql = "select count(id) factoriesviolations"; $rowsperpage = 25; $stmt = sqlsrv_query($conn, $tsql);

please me.

thanks in advance.

what columns expecting in output. if id

 $tsql = "select count(distinct(id)) factoriesviolations";

if want columns table , eliminate duplicate records query needful.

select col1, col2,... coln factoriesviolations group col1, col2,... coln;

here col1, col2,... coln column names of factoriesviolations table.


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