Arsip: Nanya SQL...

more 16 years ago
reminder2k1
Halo temen2, dah lama saya ga nongol disini, sekarang nongol berniat mo nglempar pertanyaan... Tlg di bantu ya??? :mrgreen:
Gini saya punya table spt ini:
DROP TABLE IF EXISTS tnama;
CREATE TABLE tnama (
id int(11) NOT NULL auto_increment,
NIK varchar(10) default NULL,
Nama varchar(10) default NULL,
NoTelp varchar(10) default NULL,
Grup varchar(10) default NULL,
PRIMARY KEY (id)
) ENGINE=MyISAM AUTO_INCREMENT=8 DEFAULT CHARSET=utf8;
-- ----------------------------
-- Records
-- ----------------------------
INSERT INTO tnama VALUES ('1', 'A', 'A', 'A', 'A');
INSERT INTO tnama VALUES ('2', 'A', 'A', 'A', 'B');
INSERT INTO tnama VALUES ('3', 'A', 'A', 'A', 'C');
INSERT INTO tnama VALUES ('4', 'B', 'B', 'B', 'A');
INSERT INTO tnama VALUES ('5', 'B', 'B', 'B', 'B');
INSERT INTO tnama VALUES ('6', 'C', 'C', 'C', 'A');
INSERT INTO tnama VALUES ('7', 'C', 'C', 'C', 'B');
Nah hasilnya kan spt ini:
[code:1:01ab885410]
NIK Nama NoTelp Grup
A A A A
A A A B
A A A C
B B B A
B B B B
C C C A
C C C B
[/code:1:01ab885410]
sekarang mo dicari querynya supaya resultnya spt ini:
[code:1:01ab885410]
NIK Nama NoTelp Grup
A A A A,B,C
B B B A,B
C C C A,B
[/code:1:01ab885410]
Ada yg punya ide???
more 16 years ago
reminder2k1
asalnya ada 7 record, karena ada NIK, Nama & NoTelp nya yg sama, jadi field GRUP nya di GROUP-kan, tapi hasil yg diinginkan spt itu..
Barusan saya dah explorasi, tapi cuma dapet record pertama dari masing2 group, mgkn ada yg berminat untuk melanjutkan...
Ini syntax nya:
SELECT Q.NIK, Q.Nama, Q.NoTelp,
IF (@row> MAX(Q.rowID), @row:=1, if(@row=1, @st:=Q.Grup, @st:=@st&','&Q.Grup)) AS Grup2
FROM (SELECT @row:=1) as r, (
SELECT Q1.NIK, Q1.Nama, Q1.NoTelp, Q1.Grup,
IF (@row>=(SELECT COUNT(Q2.Grup)
FROM TNama AS Q2
WHERE Q2.NIK = Q1.NIK
AND Q2.Nama = Q1.Nama
AND Q2.NoTelp = Q1.NoTelp
GROUP BY Q2.NIK, Q2.Nama, Q2.NoTelp
ORDER BY Q2.NIK, Q2.Nama, Q2.NoTelp),@row:=1,@row:=@row+1) AS rowID
FROM (SELECT @row:=0) AS r, TNama AS Q1) AS Q
GROUP BY Q.NIK, Q.Nama, Q.NoTelp
ORDER BY Q.NIK, Q.Nama, Q.NoTelp

more 16 years ago
Manz
Just simply query statements:
select nik, nama, telp, group_concat(grup)
from tnama
group by nik
Just use the MySQL reserved word ... i like it :mrgreen:
NIK Nama NoTelp Grup
A A A A,B,C
B B B A,B
C C C A,B

more 16 years ago
reminder2k1
wadaw ga prnh kpikiran... Ternyata sesimple itu...
Wah thx bro... ^:)^
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