
Soal Pilihan Ganda - Fungsi Agregasi
Quiz
•
Mathematics
•
University
•
Medium
Markus Mamangkey
Used 3+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fungsi AVG dalam SQL digunakan untuk:
Menjumlahkan seluruh nilai dalam kolom
Menghitung nilai rata-rata dari kolom numerik
Menampilkan nilai tertinggi dalam kolom
Menghitung jumlah baris dalam tabel
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sintaks SQL berikut berfungsi untuk apa? SELECT AVG(Gaji) AS RataGaji FROM Pegawai;
Menghitung jumlah gaji dari seluruh pegawai
Menghitung rata-rata gaji seluruh pegawai
Menampilkan gaji tertinggi
Menampilkan semua gaji pegawai
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut adalah fungsi agregasi kecuali:
AVG()
COUNT()
MIN()
CONCAT()
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Untuk menghitung rata-rata gaji pegawai dengan jabatan 'Manager', SQL yang benar adalah:
SELECT Gaji FROM Pegawai WHERE Jabatan = 'Manager';
SELECT AVG(Gaji) AS RataGaji FROM Pegawai WHERE Jabatan = 'Manager';
SELECT Gaji WHERE Jabatan = 'Manager' FROM Pegawai;
SELECT SUM(Gaji) WHERE Jabatan = 'Manager';
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fungsi agregasi AVG() hanya bisa digunakan pada kolom dengan tipe data:
Teks
Boolean
Numerik
Tanggal
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fungsi AVG dalam query SELECT AVG(Salary) AS Rata2Gaji FROM salaries WHERE to_date = '9999-01-01'; digunakan untuk menghitung rata-rata gaji:
Dari semua pegawai
Yang belum keluar dari perusahaan
Yang memiliki jabatan tertentu
Dalam satu cabang saja
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perintah GROUP BY digunakan dalam SQL untuk:
Mengurutkan data
Mengelompokkan data berdasarkan kolom tertentu
Menyaring data
Menghapus data duplikat
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