
Quiz 2_BDT_1&3_2025
Quiz
•
Information Technology (IT)
•
University
•
Easy
Dimas Prasetyo Utomo
Used 2+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mengapa optimisasi kinerja basis data penting dilakukan?
Agar data lebih aman dari virus
Untuk mempercepat eksekusi query dan efisiensi sistem
Supaya server bekerja lebih lambat
Agar data bisa dihapus otomatis
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Struktur data yang digunakan untuk mempercepat pencarian data adalah…
Relasi
Indeks
Log File
Constraint
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Indeks paling umum digunakan dalam RDBMS adalah…
B-Tree Index
Array Index
Binary Index
Linear Index
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Penggunaan indeks sangat direkomendasikan untuk kolom yang…
Jarang diakses
Sering digunakan dalam kondisi WHERE atau JOIN
Hanya digunakan untuk tampilan laporan
Tidak memiliki nilai unik
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kekurangan utama indeks adalah…
Memperlambat proses pembacaan data
Membebani operasi penulisan (insert, update, delete)
Mengurangi kapasitas penyimpanan
Menghapus constraint tabel
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Indeks Hash digunakan untuk mempercepat pencarian…
Data numerik acak
Nilai yang harus sama persis (exact match)
Rentang nilai besar
Nilai yang tidak unik
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Partisi tabel dilakukan untuk…
Menyimpan data ke media eksternal
Memecah tabel besar menjadi beberapa bagian kecil
Menghapus data yang tidak digunakan
Menggabungkan dua tabel
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