Kuis_03 Data Warehouse
Quiz
•
Information Technology (IT)
•
University
•
Easy
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Model data dimensional pada OLAP dirancang untuk…
Keamanan data
Replikasi data antar server
Pengambilan keputusan cepat dan akurat
Menghindari redudansi
Enkripsi data untuk kerahasiaan
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tabel yang menyimpan nilai-nilai kuantitatif seperti "jumlah penjualan" adalah…
Tabel dimensi
Tabel atribut
Tabel relasi
Tabel fakta
Tabel agregat
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Komponen utama dalam pemodelan data dimensional adalah…
Server dan storage
Ukuran dan atribut
Dimensi dan ukuran
Entitas dan relasi
Tabel primer dan sekunder
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dimensi "produk" dalam OLAP dapat memiliki atribut seperti…
Total penjualan
Harga, merk, warna
Jumlah stok
Jumlah penjualan per hari
Level diskon
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Operasi OLAP yang digunakan untuk melihat data berdasarkan hari tertentu disebut…
Roll-up
Pivot
Slicing
Drill-down
Normalisasi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Operasi drill-down dalam OLAP digunakan untuk…
Menggabungkan data dari berbagai sumber
Menurunkan level ringkasan data ke detail
Menyalin data dari database relasional
Menormalisasi data
Melindungi integritas data
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hierarki dimensi waktu yang benar adalah…
Bulan → Hari → Kuartal
Tahun → Bulan → Hari
Hari → Kuartal → Bulan
Minggu → Bulan → Tahun
Kuartal → Hari → Tahun
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