UAS Data Warehouse & Business Intelligence

Quiz
•
Information Technology (IT)
•
University
•
Easy
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam metodologi desain data warehouse, pendekatan Analysis-Driven berfokus pada:
Ketersediaan data pada sumber data
Analisis kebutuhan informasi pengguna
Replikasi sistem transaksional
Optimasi performa query
Integrasi dengan OLAP tier
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Metode Source-Driven Requirements Specification memulai desain data warehouse dari:
Identifikasi kebutuhan pengguna
Analisis data mining
Struktur data yang tersedia di sumber data
Implementasi ETL terlebih dahulu
Desain antarmuka pengguna
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pendekatan Analysis/Source-Driven menggabungkan:
Normalisasi dan denormalisasi
Data mart dengan OLAP cube
Analisis kebutuhan informasi dan data sumber
Analisis performa query
Reduksi data dan OLAP roll-up
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Salah satu karakteristik utama pendekatan Analysis-Driven adalah:
Penyesuaian data mart dengan fakta sumber
Independensi dari sumber data
Fokus pada fact constellations
Penerapan otomatis ETL
Penyesuaian skema dengan skema normalisasi
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Salah satu risiko pendekatan Source-Driven adalah:
Tidak adanya pengujian performa
Kegagalan memenuhi kebutuhan pengguna
Kompleksitas dalam membuat OLAP cube
Terlalu banyak agregasi yang tidak digunakan
Kelebihan proses ETL
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam fase Requirements Specification, analisis kebutuhan mencakup identifikasi:
Proses ETL optimal
Kuantitas data historis
Fakta dan dimensi yang dibutuhkan pengguna
Model physical partitioning
Indeks bitmap
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Contoh konkrit Analysis-Driven Requirements dalam studi kasus Northwind adalah:
Fokus pada order detail
Menganalisis laporan manajemen
Membangun model transaksi harian
Menentukan foreign key join
Mengeliminasi atribut hierarki
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