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Nak dapatkan data terakhir bersama dgn GROUP BY
Dibawah ni ialah sql yg aku belajar daripada Gemp-X
SELECT kemajuan.*, tajuk.no_kontrak, tajuk.tajuk, tajuk.no_fail, stat.stat, bandar.bandar, kontraktor.nama, kontraktor.alamat, peruntukan.peruntukan, interim.interim, interim.tkh_int, interim.jml_int, (kemajuan.asal+kemajuan.vo) AS baru, sum(interim.jml_int) AS jumlah, (kemajuan.asal+kemajuan.vo-sum(interim.jml_int)) AS baki FROM kemajuan INNER JOIN tajuk ON (kemajuan.tjk_id = tajuk.tjk_id) INNER JOIN stat ON (tajuk.sts_id = stat.sts_id) INNER JOIN bandar ON (kemajuan.bdr_id = bandar.bdr_id) INNER JOIN kontraktor ON (kemajuan.kontk_id = kontraktor.kontk_id) INNER JOIN peruntukan ON (kemajuan.prk_id = peruntukan.prk_id) INNER JOIN interim ON (kemajuan.kmj_id = interim.kmj_id) GROUP BY kemajuan.tjk_id Jadi macamana nak dapatkan data terakhir dari interim.jml_int kalau dalam ms access seperti url dibawah ni guna LAST(column) tapi dlm mysql macamana pulak http://www.w3schools.com/sql/sql_functions.asp |
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bile lak aku ajar ni.pening plak aku tengok
hehehkalo MySQL tak silap aku ORDER BY interim.jml_int DESC LIMIT 1 ( SUSUN MENGGUNAKAN Interim.jml_int KE BAWAH HADKAN KEPADA 1 ) camni kot translation dia tapi camtu dia akan susun ikut nilai interim.jml tu. kalo nak last row, kene guna field id (autoicrement) (ORDER by id DESC limit 1)
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http://sidik.org/ Last edited by Gemp-X; 07-10-2004 at 01:01 PM. |
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tah le, aku tak biasae guna join2 nih, download mysql manual ade dia cite pasal LEFT JOIN, INNER JOIN etc nih
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__________________
http://sidik.org/ Last edited by Gemp-X; 10-10-2004 at 03:10 PM. |
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