How to construct a MySQL query to get number of entries by month.
In a MySQL database table there are dates (Y-m-d). I'd like to count the number of entries by month (like jan 2014. feb 2014, mar 2104, etc)
I have tried several ways, among them
$SQL4 = "SELECT * FROM pagecounter WHERE 'date >= $min_date' AND 'date <= $max_date' GROUP BY MONTH(date)";
How should I construct the the Query? I can't get it to work. Appreciate help.
test-1.php
I have tried several ways, among them
$SQL4 = "SELECT * FROM pagecounter WHERE 'date >= $min_date' AND 'date <= $max_date' GROUP BY MONTH(date)";
How should I construct the the Query? I can't get it to work. Appreciate help.
test-1.php
You need to list the fields and include a COUNT.
$SQL4 = "Select Field1, Field2, count(*), min(date) as MyCount from pagecounter Where date between '$min_date' and '$max_date' Group by Year(date), Month(date)";
I'm grouping by both year and month so that Jan 2013 and Jan 2014 don't get put in the same group. I'm also selecting the first date from each of those groups so you can identify the group.
$SQL4 = "Select Field1, Field2, count(*), min(date) as MyCount from pagecounter Where date between '$min_date' and '$max_date' Group by Year(date), Month(date)";
I'm grouping by both year and month so that Jan 2013 and Jan 2014 don't get put in the same group. I'm also selecting the first date from each of those groups so you can identify the group.
Thanks for your reply.
I am not sure I understand, Please explain Field1, field2 and MyCount.
I tried
$SQL4 = "SELECT *, count(*), min(date) as MyCount FROM pagecounter WHERE date BETWEEN '$min_date' and '$max_date' Group by Year(date), Month(date)";
$res4 = $mysqli->query($SQL4);
if (!$res4)
{ $err = "QUERY FAIL: ".$SQL4. ' ERRNO: '. $mysqli->errno.' ERROR: '.$mysqli->error; trigger_error($err, E_USER_ERROR); }
while ($row = $res4->fetch_array())
{
$mycount = $row['MyCount'];
and $mycount printed "2014-05-01" only. What did I do wrong?
I am not sure I understand, Please explain Field1, field2 and MyCount.
I tried
$SQL4 = "SELECT *, count(*), min(date) as MyCount FROM pagecounter WHERE date BETWEEN '$min_date' and '$max_date' Group by Year(date), Month(date)";
$res4 = $mysqli->query($SQL4);
if (!$res4)
{ $err = "QUERY FAIL: ".$SQL4. ' ERRNO: '. $mysqli->errno.' ERROR: '.$mysqli->error; trigger_error($err, E_USER_ERROR); }
while ($row = $res4->fetch_array())
{
$mycount = $row['MyCount'];
and $mycount printed "2014-05-01" only. What did I do wrong?
This one is on us!
(Get your first solution completely free - no credit card required)
UNLOCK SOLUTION
Join our community and discover your potential
Experts Exchange is the only place where you can interact directly with leading experts in the technology field. Become a member today and access the collective knowledge of thousands of technology experts.
*This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.