Hi
this result is shown by mysql on running command prompt
mysql> explain SELECT Tune_Name,Tune_Type FROM Mobile_Tunes;
+--------------+------+---------------+------+---------+------+------+-------+
| table | type | possible_keys | key | key_len | ref | rows |
Extra |
+--------------+------+---------------+------+---------+------+------+-------+
| Mobile_Tunes | ALL | NULL | NULL | NULL | NULL | 4 |
|
+--------------+------+---------------+------+---------+------+------+-------+
1 row in set (0.00 sec)
mysql>
and
mysql> SELECT Tune_Name,Tune_Type FROM Mobile_Tunes;
+-----------+-----------+
| Tune_Name | Tune_Type |
+-----------+-----------+
| pakistani | midi |
| pakistan2 | midi |
| usa | midi |
| uk | midi |
+-----------+-----------+
4 rows in set (0.00 sec)
mysql>
now what next?
bye
John Mertic <jmertic@xxxxxxxxx> wrote: Run the query through MySQL directly prepending EXPLAIN to the query
and attach the results here.
John
On 9/10/07, Asim wrote:
> Hi
>
> i have added index on both columns but still same warning is issued by mysql
>
> then what i do now
>
> John Mertic wrote:
> Is the table 'Mobile_Tunes' indexed at all? If not, you may want to
> consider adding one at least one 'Tune_Type' and another on
> 'Tune_Name'.
>
> John
>
> On 9/10/07, Asim wrote:
> > Hi
> >
> > script is following
> >
> > if(isset($_GET['SearchTune']))
> > {
> > $tunename = substr($_GET['tune_name'],0,3);
> > $tunetype = $_GET['tune_type'];
> > $sql = "SELECT Tune_Name,Tune_Type FROM Mobile_Tunes WHERE Tune_Name LIKE
> > '".$tunename."%' AND Tune_Type = '".$tunetype."'";
> > }
> > else
> > {
> > $sql = "SELECT Tune_Name,Tune_Type FROM Mobile_Tunes";
> > }
> >
> >
> ...........................................................................
> >
> > function
> > max_page($sql,$total_rows,$rows_per_page,$max_pages)
> > {
> > $all_rs = mysql_query($sql);
> > if(!$all_rs)
> > {
> > echo "Sorry! Try again.";
> > return false;
> > }
> > $total_rows = mysql_num_rows($all_rs);
> > mysql_free_result($all_rs);
> > //mysql_close($link);
> > $max_pages = ceil($total_rows/$rows_per_page);
> > return $max_pages;
> > }
> >
> >
> > when i use this function it shows following warning
> >
> > Warning: mysql_query(): Your query requires a full tablescan (table
> > Mobile_Tunes, 5 rows affected). Use EXPLAIN to optimize your query. in
> > D:\Program Files\Apache
> > Group\Apache2\htdocs\Breez\mtunes_main.php on line 47
> >
> >
> >
> > now can you tell me some solution
> >
> > bye
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > John Mertic wrote:
> > Can you provide the script you are running and the exact error message
> > you are getting?
> >
> > John
> >
> > On 9/9/07, Asim wrote:
> > > Hi
> > >
> > >
> > > in my script when i scan whole table for result set to display in my
> page
> > it shows warning that suggest me to use
> > >
> > >
> > > EXPLAIN statement but i donot need it as i have to show records on page
> > >
> > > how to avoid this warning?
> > >
> > > Bye
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > Asim Jamil - 0092 345 4025907, Pakistan
> > >
> > > ---------------------------------
> > > Be a better Globetrotter. Get better travel answers from someone who
> > knows.
> > > Yahoo! Answers - Check it out.
> >
> >
> > --
> > --
> > John Mertic "Explaining a joke
> > is like dissecting a frog: you
> > jmertic@xxxxxxxxx understand it better,
> > but the frog dies in the
> > process."
> >
> > -Mark Twain
> >
> > --
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> > To unsubscribe, visit: http://www.php.net/unsub.php
> >
> >
> >
> >
> > Asim Jamil - 0092 345 4025907, Pakistan
> >
> > ________________________________
> > Be a better Heartthrob. Get better relationship answers from someone who
> > knows.
> > Yahoo! Answers - Check it out.
> >
> >
>
>
> --
> --
> John Mertic "Explaining a joke
> is like dissecting a frog: you
> jmertic@xxxxxxxxx understand it better,
> but the frog dies in the
> process."
>
> -Mark Twain
>
> --
> PHP Windows Mailing List (http://www.php.net/)
> To unsubscribe, visit: http://www.php.net/unsub.php
>
>
>
>
> Asim Jamil - 0092 345 4025907, Pakistan
>
> ________________________________
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--
--
John Mertic "Explaining a joke
is like dissecting a frog: you
jmertic@xxxxxxxxx understand it better,
but the frog dies in the
process."
-Mark Twain
--
PHP Database Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php
Asim Jamil - 0092 345 4025907, Pakistan
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