Arsip: Mencari yang tidak ada pada inner join

more 14 years ago
hawkeye
Saya mencoba query dengan
SELECT FROM tabel a INNER JOIN tabel b ON a.id_tabela=b.id_tabelb
bisa muncul hasilnya,
tapi saya ingin mencari yang tidak ada dari hasil inner join, jadi saya mencoba dengan
SELECT FROM tabel_satu a INNER JOIN tabel_dua b ON a.id_tabela<>b.id_tabelb
tapi hasil nya masih memunculkan seperti query yang pertama, ada solusinya selain dengan menggunakan
SELECT * FROM tabel_satu WHERE id_tabela NOT IN(SELECT id_tabelb FROM tabel_dua)
Terima kasih sebelumnya
more 14 years ago
andrians
emg pake query yang paling bawah
hasilnya tetep sama ya?? Hmm.. :-/SELECT * FROM tabel_satu WHERE id_tabela NOT IN(SELECT id_tabelb FROM tabel_dua)

more 14 years ago
hawkeye
bukannya sama tapi otomatis hasil nya muncul lebih lama,
catatan : data yang di search lebih dari 3000

more 14 years ago
theodorusap
Bagaimana kalau
code :
[sql]SELECT FROM tabel a LEFT JOIN tabel b ON a.id_tabela=b.id_tabelb where id_tabel_a is null[/sql]
atau
[sql]SELECT FROM tabel a LEFT JOIN tabel b ON a.id_tabela=b.id_tabelb where id_tabel_b is null[/sql]
dicoba aja, mungkin lebih cepat...
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