Quiz 1 Normalisasi B
Quiz
•
Information Technology (IT)
•
University
•
Hard
Praktisi 2024
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 10 pts
Apa tujuan utama dari normalisasi dalam basis data?
Mengurangi redundansi data
Meningkatkan kompleksitas data
Menambah duplikasi data
Menurunkan performa sistem
2.
MULTIPLE CHOICE QUESTION
10 sec • 10 pts
Apa yang dimaksud dengan bentuk normal pertama (1NF)?
Tabel yang memiliki satu primary key
Tabel tanpa atribut yang bernilai banyak (multivalued attribute)
Tabel yang memiliki atribut komposit
Tabel dengan minimal tiga foreign key
3.
MULTIPLE CHOICE QUESTION
10 sec • 10 pts
Bentuk normal kedua (2NF) mengharuskan setiap atribut non-primer / non-kunci bergantung pada apa?
Seluruh primary key
Hanya sebagian primary key
Tidak bergantung pada primary key
Bergantung pada foreign key
4.
MULTIPLE CHOICE QUESTION
10 sec • 10 pts
Apa yang dimaksud dengan ketergantungan fungsional dalam konteks normalisasi?
Hubungan antara dua basis data
Atribut yang menentukan atribut lain
Primary key dalam tabel
Proses memecah tabel
5.
MULTIPLE CHOICE QUESTION
10 sec • 10 pts
Pada tahap normalisasi, bentuk normal ketiga (3NF) dicapai dengan menghilangkan apa?
Ketergantungan fungsional transitif
Foreign key dari tabel
Semua primary key
Redundansi data antara tabel
6.
MULTIPLE CHOICE QUESTION
10 sec • 10 pts
Pada gambar ini, dapat dikatakan bahwa C memiliki ketergantungan ..... pada A melalui B
Fungsional
Penuh
Parsial (Sebagian)
Transitif
7.
MULTIPLE CHOICE QUESTION
10 sec • 10 pts
Apakah efek samping dari tidak melakukan normalisasi pada database?
Peningkatan performa
Redundansi data yang tinggi
Kompleksitas data yang berkurang
Penyimpanan data yang lebih efisien
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