
UAS Konsep Basis Data
Authored by Dewi Triyanti
Computers
University
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14 questions
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1.
MULTIPLE CHOICE QUESTION
5 sec • 7 pts
Dalam metode Chen, atribut yang merupakan pengenal unik untuk entitas disebut ?
Atribut multivalued
Atribut derived
Atribut key
Atribut komposit
2.
MULTIPLE CHOICE QUESTION
5 sec • 7 pts
Dalam metode Chen, simbol belah ketupat melambangkan ?
Entitas
Atribut
Relasi
Foreign key
3.
MULTIPLE CHOICE QUESTION
5 sec • 7 pts
Perhatikan contoh kasus berikut:
"Sebuah sistem akademik menyimpan data Mahasiswa (NIM, Nama, Alamat), Dosen (NIDN, Nama, NoHP), dan Mata Kuliah (KodeMK, NamaMK, SKS). Mahasiswa dapat mengambil lebih dari satu mata kuliah, dan satu mata kuliah dapat diampu oleh satu dosen."
Entitas apa yang perlu dibuat untuk menangani relasi Mahasiswa dan Mata Kuliah agar bisa menyimpan nilai?
MahasiswaMataKuliah
Pengambilan
Nilai
RelasiMany
4.
MULTIPLE CHOICE QUESTION
5 sec • 7 pts
Pada contoh kasus sistem akademik sebelumnya, relasi antara Mahasiswa dan Pengambilan, serta antara Mata Kuliah dan Pengambilan, memiliki derajat kardinalitas
1 : 1
1 : N
N : N
N : 1
5.
MULTIPLE CHOICE QUESTION
5 sec • 7 pts
Dalam implementasi desain fisik dari model ER, entitas Mahasiswa biasanya diubah menjadi ?
View Mahasiswa
Table Mahasiswa
Index Mahasiswa
Query Mahasiswa
6.
MULTIPLE CHOICE QUESTION
5 sec • 7 pts
Dalam desain fisik, atribut yang menjadi foreign key biasanya berasal dari ?
Tabel turunan
Relasi weak entity
Atribut komposit
Primary key dari tabel lain
7.
MULTIPLE CHOICE QUESTION
5 sec • 7 pts
bagian dari SQL (Structured Query Language) yang digunakan untuk mendefinisikan dan mengelola struktur database, seperti tabel, skema, view, dan indeks.
Keterangan di atas menjelaskan.......
DML
DDL
SQL
DDL dan DML
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