disini yang ingin memberi info dan memperjelas mengenai Insert, Update,
Delete data dalam Database menggunakan QueryAnalyzer. ini dia
perintahnya :
INSERT :
INSERT INTO nama tabel VALUES ('nilai string',nilai angka)
contoh :
INSERT INTO BARANG VALUES('A001','Television',5,1300000)
pastikan bahwa urutan values sesuai dengan urutan field pada database,
Jika tidak ingin berurutan anda bisa menambahkan nama field sebelum
values jadi.
INSERT INTO nama tabel (Field1string,Feld2int)VALUES ('nilai string',nilai angka)
contoh :
INSERT INTO BARANG (namabrg,qty,harga,kodebrg) VALUES('Television',5,1300000,'A001')
dengan menambahkan nama field anda juga bisa mengisi data dengan nilai
Null, misalkan anda memiliki 4 field dalam tabel
kodebrg,namabrg,qty,harga dan anda ingin memberi nilai Null pada harga
cukup tambakan 3 nama field dan isi dengan 3 nilai maka anda akan
mendapatkan 1 field bernilai Null.
UPDATE :
UPDATE nama tabel SET nama field = isi field WHERE primarykey field = kriteria
contoh :
UPDATE barang SET namabrg='DVD Player' where kodebrg='A001'
barang adalah nama tabel, namabrg adalah nama field yang nilainya ingin
diUpdate = isifield adalah nilai Update yang diganti, primarykey field
adalah nama primarykey pada tabel digunakan sebagai penentu , kriteria
adalah nilai dimana yang akan diUpdate, Contoh diatas saya ingin
mengUpdate Namabrg dengan isi DVD Player dimana kodebrg yang memiliki
nilai 'A001'. untuk update nilai dalam beberapa field bisa ditambahakan
setlah namabrg='DVD Player. Contoh saya ingin update namabrg,qty,dan
harga dengan kriteria kodebrg='A001'.
UPDATE barang SET namabrg='Playstation 2',qty=20,harga=1700000 where kodebrg='A001'
DELETE :
DELETE nama tabel WHERE primarykey field = kriteria
contoh :
Delete barang where kodebrg='A003'
barang adalah nama tabel kodebrg adalan nama primary key field dan A003
adalah nilai kriteria, jadi diatas saya menghapus sebaris Nilai yang
memiliki nilai kodebrg = A003 dalam tabel barang. Selesai.
semoga info ini bisa bermanfaat untuk anda :)
Monday, 28 May 2012
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banyak cara ya buat simpan data :D
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