
KUIZ Entiti &Atribut, kekunci primer&kekunci asing, kekardinala

Quiz
•
Other
•
9th - 12th Grade
•
Medium

jopdom jopdom
Used 2+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Ciri-ciri berikut merujuk kepada?
Bersifat unik. Satu kumpulan objek yang sama jenis. Wujud dalam persekitaran, iaitu tempat di mana pangkalan data berada.
Entiti
Atribut
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
______ diwakili oleh bentuk bulatan bujur dalam gambar rajah perhubungan entiti.
Atribut
Entiti
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Berdasarkan 3 atribut berikut, apakah Entiti X yang paling sesuai?
KOKURIKULUM
KOMPUTER
BUKU
SEKOLAH
4.
MULTIPLE SELECT QUESTION
45 sec • 3 pts
Pilih atribut-atribut yang paling sesuai untuk entiti MURID.
NoKP
Kelas
Pekerjaan
Nama
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah entiti bagi jadual di atas?
Kategori
No_Daftar
MURID
Nama_Murid
Rumah_Sukan
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah kepentingan kekunci primer dalam sistem pangkalan data?
Memberi nilai unik untuk simpanan data.
Memelihara integriti data
Menjimatkan ruang storan komputer
Semua di atas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pernyataan di bawah menunjukkan ciri-ciri kekunci dalam sistem pangkalan data.
- Atribut dalam satu jadual hubungan
- Mengaitkan dua atau lebih entiti yang mempunyai hubungan
Apakah kekunci tersebut?
Kekunci Utama
Kekunci asing
Kekunci Primer
Kekunci Sekunder
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