1. Basics of SQL databases 🗄️
Basics of SQL databases 🗄️
English
Menengah
Simple and useful quiz to test basic knowledge of SQL databases.
Keterangan
Databases, Computer, SQL
Kata kunci
30
Pertanyaan
1 mnt
Per pertanyaan
7:14
Waktu rata-rata
3.0
Skor Kontes
32
Partisipan
Mulai Kuis
1 komentar
Hip Goose
Q. What constraint should used for unique values.
Option contains both 1.Primary key and 2.Unique key ;
my question is why only primary key is correct...

Waiting for some reasonable answer.
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