Arsip: nilai max query

more 18 years ago
yayaretina
aku punya relasi query nih
SELECT judul_film,count(id_pinjam) from peminjaman_detail,film
where film.id_film=peminjaman_detail.id_film
group by peminjaman_detail.id_film
hasilnya spt ini :
judul_film-----------------count(id_pinjam)
Da Vinci Code -----------------3
Red Eye-------------------------4
Flight Plan-----------------------5
Syriana--------------------------2
Inside man----------------------3
nah nilai maxnya khan 5 dng judul Flight Plan, gimana caranya biar aku bisa cari nilai max dari relasi tabel di atas
misal:
select max(....... from ....
gimana nih para query expert...
more 18 years ago
deLogic
kayaknya udah dijawab deh... ya pake max(count(id)) seperti itu.. select-nya dari query yg udah ada..

more 18 years ago
yayaretina
gini maksud nya deLogic.. :
SELECT judul_film,max(count(id_pinjam)) from peminjaman_detail,film
where film.id_film=peminjaman_detail.id_film
group by peminjaman_detail.id_film
hasilnya :
mysql kooar :Invalid use of group function

more 18 years ago
yayaretina
apa begini..
SELECT max(count(id_pinjam) from (select judul_film,(count(id_pinjam)) from peminjaman_detail,film
where film.id_film=peminjaman_detail.id_film
group by peminjaman_detail.id_film)
tapi malah tambah puanjan pesan kesalahannya :
You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near 'from (select judul_film,(count(id_pinjam)) from peminjaman_detail....

more 18 years ago
bosenjadiprogrammer
wah dibagi 2 aja om dibikin view dulu ben ga njlimet
CREATE VIEW "VIEW_NAME" AS "SQL Statement"
misal create view dulu namanya v_countpinjam
CREATE VIEW "v_countpinjam" AS SELECT judul_film,MAX(COUNT(id_pinjam)) AS count_pinjam FROM peminjaman_detail,film
WHERE film.id_film=peminjaman_detail.id_film
GROUP BY peminjaman_detail.id_film
abis gtu baru di select max
SELECT MAX(count_pinjam) FROM v_countpinjam
TMIIW ! :D [/code]
more 18 years ago
deLogic
bisa juga di view nya pake:
CREATE VIEW "v_countpinjam" AS
SELECT judul_film, COUNT(id_pinjam) AS count_pinjam
FROM peminjaman_detail,film
WHERE film.id_film=peminjaman_detail.id_film
GROUP BY peminjaman_detail.id_film
trus dipanggil lewat
SELECT judul_film, count_pinjam
FROM v_countpinjam
ORDER BY count_pinjam DESC
LIMIT 0, 1
"limit 0, 1" membatasi result 1 record saja, yaitu record dengan jumlah terbanyak.
more 18 years ago
kaka-delphi
Ikutan ach ....
Hmmm ... ngambil nilai MAX yach ...
try this :
SELECT
MAX(COUTING)
FROM
(
SELECT
film.judul_film,
COUNT(peminjaman_detail.id_pinjam) AS COUTING
FROM
film, peminjaman_detail
WHERE
film.id_film = peminjaman_detail.id_film
GROUP BY
film.judul_film
) Q1

more 18 years ago
imunk
database yang dipake apa dulu, mysql ato mssql nih......
biar jawabannya jd fokus.....:)

more 18 years ago
kaka-delphi
Kekekkek :lol: ...... mas imunk .... kayaknya pake Database MySQL dech .... soalnya dia nanya di thread MySQL ... ;)
more ...
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