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sql分組查詢完整句子

發布時間: 2022-05-01 17:49:24

sql語句分組查詢

select case_id,
Month||'月份',
sum(jqjb_id)
from (
select case_id,
to_char(recDate,'MM') Month,
jqjb_id
from table_name
)
group by case_id,
Month||'月份'

如果以上欄位是實際欄位,那麼把 table_name修改成實際表明即可完成查詢

❷ 求救SQL分組查詢統計查詢語句

select statues as type ,count(*) as number from FeedbackResults
group by statues order by id asc

statues as type :查詢狀態,用type表示;
count(*) as number:查詢對應狀態的數目,用number表示;
group by statues :按狀態分組查詢;
order by id asc:按狀態id升序排列。

❸ 求SQL大神給寫一個分組查詢語句

select 公司編號,部門編號,
max(case when substring(部門分組編號,1,1)='A' then 部門分組編號 else '-' end) 部門分組A,
max(case when substring(部門分組編號,1,1)='B' then 部門分組編號 else '-' end) 部門分組B,
max(case when substring(部門分組編號,1,1)='C' then 部門分組編號 else '-' end) 部門分組C,
max(case when substring(部門分組編號,1,1)='D' then 部門分組編號 else '-' end) 部門分組D
from table group by 公司編號,部門編號

❹ 求幾個簡單的SQL單表分組查詢語句

如果最高分不只一個呢.....

select * from Result where grade=1 and gender='男' and score = (select max(score) from result);

select * from Result where grade=1 and score=(select max(score) from Result);

select * from Result where gender='女'and score=(select max(score) from Result);

select * from Result where score in (select max(score) from Result group by grade);
註:
grade 年級
name 姓名
gender 性別
score 分數
誰用誰知道!

❺ sql分組查詢語句

只是查詢出來么?
select store_no 商品,in_code 識別碼,quantity 數量,store_no 倉庫,supplier_no 供貨商 from (表明) where in_date=『指定的日期』
(⊙﹏⊙)b,你的商品,倉庫,供貨商應該都是關聯了字典表的

❻ sql 分組查詢語句

這個很簡單啊,就是四個表之間串一下,上sql
select A.NAME 影片名,B.RUNTIME 放映時間,C.TIME 訂單時間,C.NUM 顧客編號
from FILM A,RUN B,ORDER C,RESERVATIONS D
WHERE D.TIME=C.TIME AND D.FMN=A.FMN AND A.FMN=B.FMN
試試吧

❼ sql多條件分組查詢,求sql語句。

分組是用來聚集匯總的,如求平均、求總和、求最大等
你這個不需要分組,直接排序就可以了

selectname,datefromtableorderbynameasc,datedesc

如果每組要按date的降序排列,也挺簡單

with t1 as (select name, max(date) md from table group by name,

t2 as (select table.name name, table.date date, t1.md from table join t1 on table.name=t1.name

order by t1.md)

select name,date from t2

❽ SQL語句待條件分組查詢

--查所有的 就是重復的
select CHI,count(aid) aid from tb where CHI in ('z','w','v') group by CHI
--不重復的
select CHI,count(distinct aid) aid from tb where CHI in ('z','w','v') group by CHI

❾ 請使用你熟悉的一種資料庫,用SQL語句寫出分組查詢語句

有一張表如下:
create table topic
(
Topicid int,
title nvarchar(10),
boardid int,
addtime datetime
)
內容如下:
insert topic select
1, 'abc', 100, '2007-1-1'
union all select 2, 'era', 101, '2007-1-2'
union all select 3, 'avx', 102, '2007-1-3'
union all select 4, 'zcv', 100, '2007-1-4'
union all select 5, 'jhv', 100, '2007-1-5'
union all select 6, 'ztw', 103, '2007-1-6'
union all select 7, 'xcv', 102, '2007-1-7'
union all select 8, 'zww', 104, '2007-1-8'
union all select 9, 'zqw', 105, '2007-1-9'
union all select 10, 'zti', 103, '2007-1-10'
要求:按照boardid分組,按照datetime排序,取出前五條
語句:
select top 5 boardid from
(
select boardid,max(addtime) as addtime
from topic
group by boardid
) tmp order by addtime desc

解釋:
1,group by 和 order by 不能同時使用,所以當要分組後再排序的時候就要嵌套(先分好組再排序)
2,但是在group by的時候,你要查詢的欄位必須是你分組的欄位,如果group by 兩個欄位,分組時是按照兩個欄位同時相等的分組,因此達不到自己想要的結果.
但是使用一個欄位分組,要查到兩個欄位就得:
select boardid,max(addtime) as addtime
from topic
group by boardid

❿ sql分組查詢的完整語句

分組查詢 group by 主要是對(count,sum,avg,min,max)
例如
表A
a b c
一 1 2
一 1 3
二 2 5
三 7 7
二 9 9
select a,sum(b),sum(c) from A group by a
對分組數據進行限制
select a,sum(b),sum(c) from A group by a having sum(b)>5