dtny30176 2015-02-21 18:08
浏览 11

MySQL行组查询

I have got a table like

id    |    name    |    registered_date    |  
------+------------+-----------------------+--
4     |  Name 1    |  2015-02-15 00:00:00  |
5     |  Name 1    |  2014-02-15 00:00:00  |
6     |  Name 1    |  2015-02-15 00:00:00  |
7     |  Name 1    |  2013-02-15 00:00:00  |
8     |  Name 1    |  2015-02-15 00:00:00  |
9     |  Name 1    |  2015-02-15 00:00:00  |
10    |  Name 1    |  2015-02-15 00:00:00  |
11    |  Name 1    |  2015-02-15 00:00:00  |
12    |  Name 1    |  2015-02-15 00:00:00  |
13    |  Name 1    |  2015-02-15 00:00:00  |
14    |  Name 1    |  2015-02-15 00:00:00  |

in 'registered_date" field keeping the date of user registered

Now I need to take the count of users in each month registered.

Is it possible using the current structure ? Result will be something like this

totalCOunt    |     momthYear
--------------+----------------
144           |     Feb-2015
--------------+----------------
100           |     Mar-2015
--------------+----------------
104           |     Apr-2015
--------------+----------------
174           |     May-2015
--------------+----------------
144           |     June-2015
--------------+----------------

Thanks in advance

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1条回答 默认 最新

  • dongshu4221 2015-02-21 18:13
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    SELECT COUNT(*) AS totalCount, DATE_FORMAT(registered_date, '%M-%Y') AS momthYear FROM tablename GROUP BY by momthYear ORDER BY momthYear

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