Is there a way to select count(*) by grouping by date, and having multiple
date ranges?
combining...
select field,count(*) from table where datefield > 2004/1/1 and datefield <
2004/1/31
and
select field,count(*) from table where datefield > 2004/2/1 and datefield <
2004/2/29
so that the output is
field 34
field 40
tia
bobb
4  4125 
bobb wrote: Is there a way to select count(*) by grouping by date, and having multiple
date ranges?
Do you mean random date ranges (if yes, then how many ranges are we
talking about, and is the amount of ranges always the same?)
Or do you mean you want to group for example by year and month? If yes,
this might be a little easier because you can extract year and month
from date and then do "group by year, month" or "group by year_month"
Example:
mysql> SELECT EXTRACT(YEAR_MO NTH FROM '1999-07-02 01:02:03');
-> 199907
More date and time functions: http://www.mysql.com/doc/en/Date_and...functions.html
thanks Aggro,
I'm grouping the results by month... thanks for the pointer.
bobb
"Aggro" <sp**********@y ahoo.com> wrote in message
news:up******** *****@read3.ine t.fi... bobb wrote:
Is there a way to select count(*) by grouping by date, and having
multiple date ranges?
Do you mean random date ranges (if yes, then how many ranges are we
talking about, and is the amount of ranges always the same?)
Or do you mean you want to group for example by year and month? If yes,
this might be a little easier because you can extract year and month
from date and then do "group by year, month" or "group by year_month"
Example:
mysql> SELECT EXTRACT(YEAR_MO NTH FROM '1999-07-02 01:02:03');
-> 199907
More date and time functions:
http://www.mysql.com/doc/en/Date_and...functions.html
thanks Aggro,
I'm grouping the results by month... thanks for the pointer.
bobb
"Aggro" <sp**********@y ahoo.com> wrote in message
news:up******** *****@read3.ine t.fi... bobb wrote:
Is there a way to select count(*) by grouping by date, and having
multiple date ranges?
Do you mean random date ranges (if yes, then how many ranges are we
talking about, and is the amount of ranges always the same?)
Or do you mean you want to group for example by year and month? If yes,
this might be a little easier because you can extract year and month
from date and then do "group by year, month" or "group by year_month"
Example:
mysql> SELECT EXTRACT(YEAR_MO NTH FROM '1999-07-02 01:02:03');
-> 199907
More date and time functions:
http://www.mysql.com/doc/en/Date_and...functions.html
thanks Aggro,
I'm grouping the results by month... thanks for the pointer.
bobb
"Aggro" <sp**********@y ahoo.com> wrote in message
news:up******** *****@read3.ine t.fi... bobb wrote:
Is there a way to select count(*) by grouping by date, and having
multiple date ranges?
Do you mean random date ranges (if yes, then how many ranges are we
talking about, and is the amount of ranges always the same?)
Or do you mean you want to group for example by year and month? If yes,
this might be a little easier because you can extract year and month
from date and then do "group by year, month" or "group by year_month"
Example:
mysql> SELECT EXTRACT(YEAR_MO NTH FROM '1999-07-02 01:02:03');
-> 199907
More date and time functions:
http://www.mysql.com/doc/en/Date_and...functions.html This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
by: bobb |
last post by:
Is there a way to select count(*) by grouping by date, and having multiple
date ranges?
combining...
select field,count(*) from table where datefield > 2004/1/1 and datefield <
2004/1/31
and
select field,count(*) from table where datefield > 2004/2/1 and datefield <
2004/2/29
|
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last post by:
Background: I'm collecting usability statistics for a group of
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I have all this working and all the files are below. I would
value any feedback.
A simple example of the data looks like this:
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