select DATE_FORMAT(來(lái)電時(shí)間,'%Y-%m') as 月, 問(wèn)題類(lèi)別 , count(1) as 數(shù)量 from
成都創(chuàng)新互聯(lián)是一家集網(wǎng)站建設(shè),臨潁企業(yè)網(wǎng)站建設(shè),臨潁品牌網(wǎng)站建設(shè),網(wǎng)站定制,臨潁網(wǎng)站建設(shè)報(bào)價(jià),網(wǎng)絡(luò)營(yíng)銷(xiāo),網(wǎng)絡(luò)優(yōu)化,臨潁網(wǎng)站推廣為一體的創(chuàng)新建站企業(yè),幫助傳統(tǒng)企業(yè)提升企業(yè)形象加強(qiáng)企業(yè)競(jìng)爭(zhēng)力。可充分滿(mǎn)足這一群體相比中小企業(yè)更為豐富、高端、多元的互聯(lián)網(wǎng)需求。同時(shí)我們時(shí)刻保持專(zhuān)業(yè)、時(shí)尚、前沿,時(shí)刻以成就客戶(hù)成長(zhǎng)自我,堅(jiān)持不斷學(xué)習(xí)、思考、沉淀、凈化自己,讓我們?yōu)楦嗟钠髽I(yè)打造出實(shí)用型網(wǎng)站。
( select 來(lái)電時(shí)間, 問(wèn)題類(lèi)別 from mytable where 問(wèn)題類(lèi)別 = '農(nóng)村用水投訴' ) tmptable
group by DATE_FORMAT(來(lái)電時(shí)間,'%Y-%m') ,問(wèn)題類(lèi)別 ORDER BY 月 ASC;
select
table.year,
table.month,
table.day
from
(SELECT
year(time)
year,
month(time)
month,
day(time)
day
FROM
table)
table
group
by
table.year,table.month,table.day
order
BY
table.year,table.month,table.day
desc;
望采納,有疑問(wèn)或是有更好寫(xiě)法,請(qǐng)多交流
您好,一、年度查詢(xún)
查詢(xún) 本年度的數(shù)據(jù)
SELECT *
FROM blog_article
WHERE year( FROM_UNIXTIME( BlogCreateTime ) ) = year( curdate( ))
二、查詢(xún)季度數(shù)據(jù)
查詢(xún)數(shù)據(jù)附帶季度數(shù)
SELECT ArticleId, quarter( FROM_UNIXTIME( `BlogCreateTime` ) )
FROM `blog_article`
其他的同前面部分:查詢(xún) 本季度的數(shù)據(jù)
SELECT *
FROM blog_article
WHERE quarter( FROM_UNIXTIME( BlogCreateTime ) ) = quarter( curdate( ))
三、查詢(xún)?cè)露葦?shù)據(jù)
本月統(tǒng)計(jì)(MySQL)
select * from booking where month(booking_time) =
month(curdate()) and year(booking_time) = year(curdate())
本周統(tǒng)計(jì)(MySQL)
select * from spf_booking where month(booking_time) =
month(curdate()) and week(booking_time) = week(curdate())
四、時(shí)間段
N天內(nèi)記錄
WHERE TO_DAYS(NOW()) - TO_DAYS(時(shí)間字段) = N
當(dāng)天的記錄
where date(時(shí)間字段)=date(now())
或
where to_days(時(shí)間字段) = to_days(now());
查詢(xún)一周:
select * from table where DATE_SUB(CURDATE(), INTERVAL 7 DAY) = date(column_time);
查詢(xún)一個(gè)月:
select * from table where DATE_SUB(CURDATE(), INTERVAL INTERVAL 1 MONTH) = date(column_time);
查詢(xún)'06-03'到'07-08'這個(gè)時(shí)間段內(nèi)所有過(guò)生日的會(huì)員:
Select * From user Where
DATE_FORMAT(birthday,'%m-%d') = '06-03' and DATE_FORMAT(birthday,'%m-%d')
= '07-08';
統(tǒng)計(jì)一季度數(shù)據(jù),表時(shí)間字段為:savetime
group by concat(date_format(savetime, '%Y '),FLOOR((date_format(savetime, '%m ')+2)/3))
或
select YEAR(savetime)*10+((MONTH(savetime)-1) DIV 3) +1,count(*)
from yourTable
group by YEAR(savetime)*10+((MONTH(savetime)-1) DIV 3) +1;
五、分組查詢(xún)
1、年度分組
2、月度分組
3、先按年度分組,再按月度分組
4、按年月分組
SELECT count(ArticleId), date_format(FROM_UNIXTIME( `BlogCreateTime`),'%y%m') sdate FROM `blog_article` group by sdate
結(jié)果:
count( ArticleId ) sdate
17 0901
11 0902
5 0903
6 0904
2 0905
1 0907
12 0908
6 0909
11 0910
3 0911
SELECT COUNT(*) FROM `table` GROUP BY FROM_UNIXTIME(time,'%Y');
SELECT COUNT(*) FROM `table` GROUP BY FROM_UNIXTIME(time,'%m');
SELECT COUNT(*) FROM `table` GROUP BY FROM_UNIXTIME(time,'%d');
上面分別是按年,月,日來(lái)分組的,我不知道你的時(shí)間存儲(chǔ)的是什么類(lèi)型,我這個(gè)是按時(shí)間戳來(lái)的。
網(wǎng)頁(yè)題目:mysql怎么按年月分組 mysql按年分表
瀏覽路徑:http://m.kartarina.com/article14/dodside.html
成都網(wǎng)站建設(shè)公司_創(chuàng)新互聯(lián),為您提供云服務(wù)器、關(guān)鍵詞優(yōu)化、動(dòng)態(tài)網(wǎng)站、企業(yè)建站、手機(jī)網(wǎng)站建設(shè)、營(yíng)銷(xiāo)型網(wǎng)站建設(shè)
聲明:本網(wǎng)站發(fā)布的內(nèi)容(圖片、視頻和文字)以用戶(hù)投稿、用戶(hù)轉(zhuǎn)載內(nèi)容為主,如果涉及侵權(quán)請(qǐng)盡快告知,我們將會(huì)在第一時(shí)間刪除。文章觀點(diǎn)不代表本網(wǎng)站立場(chǎng),如需處理請(qǐng)聯(lián)系客服。電話(huà):028-86922220;郵箱:631063699@qq.com。內(nèi)容未經(jīng)允許不得轉(zhuǎn)載,或轉(zhuǎn)載時(shí)需注明來(lái)源: 創(chuàng)新互聯(lián)