
QUIZ 4 BDNR
Authored by Isla Inayah Bahar
Education
University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa perbedaan utama antara representasi hirarkis dan representasi tabel dalam konteks MongoDB?
Tabel menyimpan data dalam array, sedangkan hirarki dalam bentuk objek
Hirarki menyimpan data dalam baris dan kolom
Hirarki menggunakan nested documents, tabel menyimpan data datar
Tabel hanya bisa digunakan dalam MySQL
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Representasi hirarkis lebih cocok digunakan dalam MongoDB karena:
Tidak memerlukan struktur data
Mendukung struktur dokumen fleksibel seperti nested documents
Menggunakan relasi seperti foreign key
Berbasis skema yang kaku
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam representasi tabel, relasi antar data keluarga biasanya dihubungkan dengan:
Embedded documents
Field array
Foreign key atau referensi ke _id
Fungsi join langsung dalam MongoDB
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Struktur dokumen berikut menggambarkan struktur apa dalam MongoDB?
{
"ayah": {"nama": "Budi", "umur": 45},
"ibu": {"nama": "Ani", "umur": 42},
"anak": [
{"nama": "Sari", "umur": 15},
{"nama": "Rian", "umur": 10}
]
}
Representasi flat
Struktur relasional
Nested document atau representasi hirarkis
Array reference
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah pernyataan yang paling tepat mengenai nested documents di MongoDB?
Tidak bisa menyimpan array dalam dokumen
Hanya dapat menyimpan satu level objek
Memungkinkan struktur hierarkis dalam satu dokumen
Hanya bisa digunakan pada database relasional
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa keuntungan menggunakan embedded document dalam menyimpan data keluarga?
Lebih cepat diakses dalam satu dokumen
Lebih hemat ruang penyimpanan
Menghindari penggunaan Python
Memerlukan banyak join
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kekurangan dari menggunakan satu dokumen untuk menyimpan seluruh data keluarga adalah:
Proses pencarian terlalu cepat
Tidak bisa melakukan query sama sekali
Tidak efisien jika ukuran dokumen sangat besar
Harus dipecah dalam banyak collection
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