Berapakah jenis kekunci yang terdapat dalam sistem pangkalan data?
ASK Tingkatan 3 Bab 4.1.3

Quiz
•
Education
•
1st - 5th Grade
•
Medium
mohd halim
Used 38+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SATU
DUA
TIGA
EMPAT
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atribut dengan nilai unik dikenali sebagai kekunci ?
Pertama
Asing
Sekunder
Primer
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atribut dalam satu jadual hubungan adalah kekunci ?
Pertama
Asing
Primer
Lain
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kekunci Primer boleh mengandungi data yang berulang atau sama
BETUL
SALAH
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Tentukan ciri-ciri bagi kekunci primer
(jawapan lebih dari satu)
Atribut dengan nilai unik
Tidak boleh mengandungi data yang berulang atau sama
Atribut dalam satu jadual hubungan
Boleh ditinggalkan kosong (null)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kaji jadual berikut, kemudian kenal pasti kekunci Primer bagi entiti MURID
Nama
ID_Murid
Jantina
Nama_Kelas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kepentingan Kekunci Primer ialah dapat menjimatkan ruang storan komputer
BETUL
SALAH
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