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I make a query that give me zero rows (ok: no row meets my select).

Is there a way to fetch only the attribute names, also if there is not any row with data?

$row_number = 0;
while ($row = mysql_fetch_array($result, MYSQL_ASSOC)) 
{
     // Fetch just two field names, only the first row fetched
     if ($row_number==0) {
           $desc = $row["DESCRIPTION"];
           $unit = $row["UNIT"];  
    }
// ....
}

Thank you in advance

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1 Answer

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If i understood your question correctly :

You can use the metadata provided by mysql in information_schema.
There in COLUMNS table you can find out the name , type etc of the columns that you need.

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I wasn't clear, my apologies: I was referring to the contents of two fields always present in a table. My mistake was that I tried to select it from a join query with this table (so it couldn't be fetched if Join give no results). I worked around by adding (before) a select query on that table in order to fetch just these values then make a second query (join) that could give o not rows. –  user2452426 Jun 10 at 20:11
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