Kekunci ..... mengandungi nilai yang unik.

Kekunci Primer dan Kekunci Asing

Quiz
•
Computers
•
9th Grade
•
Medium
ain nawawi
Used 4+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Primer
Asing
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
........... mengaitkan rekod-rekod dari dua atau lebih daripada jadual yang mempunyai hubungan
Kekunci Primer
Kekunci Asing
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut merupakan kepentingan kekunci primer KECUALI..
Memelihara integriti data
Menggalakkan pertindihan rekod lama dan baharu
Menjimatkan ruang storan komputer
Memberi nilai unik untuk simpanan data
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kekunci Asing boleh wujud lebih daripada satu.
Benar
Palsu
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Adakah nama murid boleh dijadikan sebagai Kunci Primer?
Boleh
Tidak Boleh
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Apakah kepentingan kekunci primer dalam sistem pangkalan data?
Memberi nilai kosong
Menggalakkan pengulangan data
Memelihara integriti data
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
-Atribut dalam satu jadual hubungan
-Mengaitkan 2 atau lebih entiti yang mempunyai hubungan
Apakah kekunci tersebut?
kekunci primer
kekunci utama
kekunci sekunder
kekunci asing
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