Mysql 查询失败,出现语法错误
我尝试了以下查询,但未能计算重复项 请帮帮我Mysql 查询失败,出现语法错误,mysql,sql,Mysql,Sql,我尝试了以下查询,但未能计算重复项 请帮帮我 SELECT id , Count(id) As theCount FROM ( SELECT e.id , e.cont , e.date , p.fname , p.lname , p.phone_cell
SELECT id
, Count(id) As theCount
FROM (
SELECT e.id
, e.cont
, e.date
, p.fname
, p.lname
, p.phone_cell
, p.phone_home
, p.email AS Count
FROM pdata AS p
, ehistory AS e
WHERE p.id = e.id
AND e.date >= '2007-08-05'
AND e.date <= '2019-08-10'
) As C
GROUP BY id
HAVING COUNT Count(id) > 1
;
我收到了错误
在“Countid>1”附近使用的语法
我想一切都是对的。如果有什么不对劲,请帮帮我!提前感谢。您必须删除COUNT word,如下所示
SELECT id, Count(id) As theCount
FROM ( SELECT e.id, e.cont, e.date, p.fname, p.lname, p.phone_cell, p.phone_home, p.email AS Count
FROM pdata AS p, ehistory AS e
WHERE p.id = e.id
AND e.date >= '2007-08-05'
AND e.date <= '2019-08-10') As C
GROUP By id
HAVING Count(id) > 1
似乎您使用了两次“COUNT” 试试这个
HAVING COUNT(id) > 1
而不是
HAVING COUNT Count(id) > 1
你正在使用两个计数。用这个代替
HAVING Count(id) > 1
有两个计数。删除一个: 试试这个:
SELECT
id,
COUNT(id) AS theCount
FROM
(SELECT
e.id,
e.cont,
e.date,
p.fname,
p.lname,
p.phone_cell,
p.phone_home,
p.email AS COUNT
FROM
pdata AS p,
ehistory AS e
WHERE p.id = e.id
AND e.date >= '2007-08-05'
AND e.date <= '2019-08-10') AS C
GROUP BY id
HAVING COUNT (id) > 1 ;
使用别名:::
SELECT id
, Count(id) As theCount
FROM (
SELECT e.id
, e.cont
, e.date
, p.fname
, p.lname
, p.phone_cell
, p.phone_home
, p.email AS Count
FROM pdata AS p
, ehistory AS e
WHERE p.id = e.id
AND e.date >= '2007-08-05'
AND e.date <= '2019-08-10'
) As C
GROUP BY id
HAVING theCount > 1
;
尝试下面的查询
SELECT Count(e.id) As theCount
, e.id
, e.cont
, e.date
, p.fname
, p.lname
, p.phone_cell
, p.phone_home
, p.email AS Count
FROM pdata AS p
, ehistory AS e
WHERE p.id = e.id
AND e.date between '2007-08-05' AND '2019-08-10'
GROUP BY e.id
HAVING theCount > 1;
我在'Countid>1'附近使用了错误语法@aleksey.berezanI很高兴我能帮助你。别忘了接受答案;