i think u have to use mysql_num_rows function.

e.g.
$result = mysql_query($query);
$num_rows = mysql_num_rows($result);

(where $num_rows is the no. of rows in result set)

for detailed information u may visit
http://phpinterviewanswers.blogspot.com/

On Wed, Apr 2, 2008 at 11:53 AM, snehashendure <[EMAIL PROTECTED]>
wrote:

>   HEy ppl,
> I am doing a task were i need to check whether a person
> requesting services is a valid employee. The details of the requesting
> person are stored in table "REQUEST" and the employee db is
> in "EMPLOYEE".
> For verifying individual requests I have to check if a given
> empid in REQUEST is present in EMPLOYEE.
>
> What I thought of doing is that i store the empid from Request in a var
> temp and then execute the query :
> $query=select empid from EMPLOYEE where empid ==temp;
>
> If the empid in REQUEST is not present in EMPLOYEE I get an empty query
> my doubt is
>
> "HOW DO I IDENTIFY THAT THE QUERY RESULT IS EMPTY?"
>
> 
>


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