
Pertemuan 9 Sistem Basis Data
Authored by Anna Mukhayaroh
Computers
University
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5 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Operator himpunan yang digunakan untuk menggabungkan dua relasi dalam bahasa query formal:
Union
Intersection
Cartesian product
Restrict
Difference
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sintaks untuk menampilkan Nip, Napeg pada tabel Pegawai, menggunakan sql formal:
Intersection Nip, Napeg (Pegawai)
Union Nip, Napeg (Pegawai)
Difference Nip, Napeg (Pegawai)
Restrict Nip, Napeg (Pegawai)
Project Nip, Napeg (Pegawai)
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Operasi yang menggabungkan operasi cartesian product dengan operasi selection dengan suatu kriteria:
Selection
Union
Theta Join
Natural Join
Set intersection
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Operator yang digunakan untuk pemilihan atribute pada aljabar relational:
Restrict
Project
Join
Division
Alpha
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Operator relational yang digunakan untuk pemilihan tupel atau record:
Division
Project
Restrict
Join
Set Diference
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