Q&A
  • DB Q&A
group by ½Ã ±âÁ¸µ¥ÀÌÅͰ¡ ÀÖ´Â »ç¶÷µé°ú ½Å±Ôµ¥ÀÌÅͰ¡ ÀÖ´Â »ç¶÷µéÀÇ ÀÔ±ÝÀÏ Á¤·Ä¼ø¼­¸¦ µµ¿ÍÁֽʽÿÀ.
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°£ÆíURL http://phpschool.com/link/qna_db/187602 º¹»ç

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°³¹ß¿¡ ³­Ç×À» °Þ¾î¼­ ÀÌ·¸°Ô Áú¹®À» ¿Ã·Á º¾´Ï´Ù ¸¹Àº Áöµµ¿Í °¡¸£Ä§ ºÎʵ右´Ï´Ù.

member Å×À̺í
idx id name
==============================
1 aaa È«±æµ¿
2 bbb ±èºÀ´Þ
3 ccc ¾Æ¹«°³
4 ddd À̼ø½Å
5 eee ¹Ú´ÞÀç

fee_info Å×À̺í
idx id name type pay_date
===============================
1 aaa È«±æµ¿ ÁØÈ¸¿ø 2009-10-01
2 bbb ±èºÀ´Þ ÁØÈ¸¿ø 2012-02-01
3 ccc ¾Æ¹«°³ ÁØÈ¸¿ø 2012-02-01
4 ddd À̼ø½Å ÁØÈ¸¿ø 2010-01-01
5 eee ¹Ú´ÞÀç ÁØÈ¸¿ø 2012-04-21
6 ccc À̼ø½Å Á¤È¸¿ø 2011-11-10
7 ccc À̼ø½Å Á¤È¸¿ø 2012-04-01
8 aaa È«±æµ¿ Á¤È¸¿ø 2010-03-31
9 aaa È«±æµ¿ Á¤È¸¿ø 2011-02-21
10 aaa È«±æµ¿ Á¤È¸¿ø 2012-04-11



select
m.id
,max(f.pay_date) as mpd
from
  fee_info f
, member m
where
(f.id=m.id and f.name=m.name)
and
m.mtype in ('Á¤È¸¿ø', 'ÁØÈ¸¿ø')
group by m.id having max(f.pay_year) < 2012
order by f.pay_date desc


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¹Ú´ÞÀç 2012-04-21
¾Æ¹«°³ 2012-02-01
±èºÀ´Þ 2012-02-01
È«±æµ¿ 2012-04-11
À̼ø½Å 2012-04-01

°á°ú°ªÀ» º¸¸é º¸¸é Áߺ¹µÈ °ªÀº ÀÔ±ÝÀϼøÀ¸·Î Á¤·ÄÀÌ ¾ÈµË´Ï´Ù

º»ÀÎÀÌ ¿øÇÏ´Â °á°ú°ªÀº group by m.id having max(f.pay_year) < 2012 ¿´À»¶§

È«±æµ¿, À̼ø½ÅÀ̶ó´Â »ç¶÷Àº ´Ù¸¥ÇØ¿¡µµ ÀÔ±ÝÇÑ ÀÔ±ÝÀÏÀÌ ÀÖ°í ´Ù¸¥ ³ª¸ÓÁö »ç¶÷µéÀº ÇϳªÀÇ µ¥ÀÌÅͰ¡ ÀÖ½À´Ï´Ù

Á¤¿­¼ø¼­¸¦ º¸¸é ÇϳªÀÇ µ¥ÀÌÅ͸¸ ÀÖ´Â »ç¶÷Àº Á¤¿­ÀÌ µÇÁö¸¸ ±âÁ¸¿¡ ÀÔ±ÝÀÏÀÌ ÀÖ´Â »ç¶÷µéÀº Á¤¿­ÀÌ ¾ÈµË´Ï´Ù
 
group by m.id  ¹®Á¦Á» ÇØ°áºÎʵ右´Ï´Ù.


º»ÀÎÀÌ ¿øÇÏ´Â °á°ú°ª
¹Ú´ÞÀç 2012-04-21
È«±æµ¿ 2012-04-11
À̼ø½Å 2012-04-01
¾Æ¹«°³ 2012-02-01
±èºÀ´Þ 2012-02-01

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