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Pertemuan 9 Sistem Basis Data

Authored by Anna Mukhayaroh

Computers

University

Used 3+ times

Pertemuan 9 Sistem Basis Data
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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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