You need Distinct
$result = mysqli_query($db,"select DISTINCT names from uploadedproduct");
Distinct optimization allows to select only unique rows. The above query selects distinctively but case insensitive. For it be case sensitive, you could use BINARY opeartor:
$result = mysqli_query($db,"select DISTINCT (BINARY names) from uploadedproduct");
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solved how to only select unique items from the database [duplicate]