
UNJ x SC Pre-test
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Perintah SQL mana yang akan menampilkan semua baris dari tabel employees di mana nilai salary lebih besar sama dengan 5000?
SELECT * FROM employees WHERE salary > 5000;
SELECT * FROM employees WHERE salary >= 5000;
SELECT * FROM employees WHERE salary < 5000;
SELECT * FROM employees WHERE salary != 5000;
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Manakah dari pernyataan berikut yang benar tentang penggunaan CASE dalam SQL?
CASE digunakan untuk mengganti nilai dalam kolom dengan nilai baru.
CASE digunakan untuk menggabungkan dua atau lebih tabel.
CASE digunakan untuk menambahkan kolom baru ke dalam tabel.
CASE digunakan untuk membuat logika kondisi dalam pernyataan SQL.
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Tipe JOIN apa yang akan mengembalikan baris dari tabel kiri dan kanan, tetapi hanya menampilkan nilai yang sama
INNER JOIN
LEFT JOIN
RIGHT JOIN
OUTER JOIN
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Manakah perintah SQL yang benar untuk menampilkan departemen yang memiliki lebih dari 5 karyawan, diurutkan berdasarkan jumlah karyawan dari yang tertinggi ke yang terendah?
SELECT department, COUNT(*) FROM employees GROUP BY department HAVING COUNT(*) > 5 ORDER BY COUNT(*) ASC;
SELECT department, COUNT(*) FROM employees GROUP BY department HAVING COUNT(*) > 5 ORDER BY COUNT(*) DESC;
SELECT department, COUNT(*) FROM employees HAVING COUNT(*) > 5 GROUP BY department ORDER BY COUNT(*) DESC;
SELECT department, COUNT(*) FROM employees WHERE COUNT(*) > 5 GROUP BY department ORDER BY COUNT(*) DESC;
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Manakah perintah SQL berikut yang digunakan untuk mengelompokkan hasil query berdasarkan kolom tertentu?
GROUP BY
ORDER BY
HAVING
WHERE
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Yang bukan BI Tools
Tableau
Power BI
Bigquery
Google Data Studio
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Chart apa yang cocok untuk menggambarkan data time series
Bar
Pie
Line
histogram
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