UAS Data Warehouse & Business Intelligence
Quiz
•
Computers
•
University
•
Practice Problem
•
Hard
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Apa tujuan utama dari pembangunan Data Warehouse (DWH)?
Menyimpan data secara acak
Membuat data lebih sulit diakses
Mendukung analisis dan pengambilan keputusan
Mengurangi kapasitas penyimpanan data
Mempercepat pemrosesan transaksi
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Apa perbedaan antara Data Warehouse dan Database Operasional?
Data Warehouse menyimpan data transaksi
Database operasional digunakan untuk analisis
Data Warehouse dirancang untuk pembuatan laporan
Database operasional memfasilitasi OLAP
Tidak ada perbedaan
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Apa yang dimaksud dengan ETL dalam konteks Data Warehouse?
Extract, Transform, Load
Electronic Transaction Logs
Enhanced Text Language
Efficient Table Lookup
Extend, Test, Loop
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Mengapa konsep denormalisasi sering digunakan dalam Data Warehouse?
Menghemat ruang penyimpanan
Meningkatkan kinerja query
Memudahkan pemeliharaan data
Mempercepat proses transaksi
Mengurangi redundancy data
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Apa yang dimaksud dengan konsep Star Schema dalam desain Data Warehouse?
Semua tabel terhubung secara linear
Tabel utama terhubung dengan beberapa tabel satelit
Semua tabel terhubung dalam bentuk rantai
Tabel-tabel terhubung dalam bentuk pohon
Tidak ada hubungan antar tabel
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Metode apa yang digunakan untuk menyimpan sejarah perubahan data dalam Data Warehouse?
Data Encryption
Snapshotting
Data Normalization
Data Masking
Data Compression
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Apa fungsi OLAP dalam konteks Data Warehouse?
Online Analytical Processing
Offline Analytical Processing
Online Logical Analysis
Offline Logical Analysis
Online Transaction Processing
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