Basics of SQL databases 🗄️

Simple and useful quiz to test basic knowledge of SQL databases.

Beschreibung

Databases, Computer, SQL

Schlagwörter

Fragen

1 Min

Pro Frage

7:14

Durchschnittliche Zeit

3,0

Ergebnis des Wettbewerbs

Teilnehmer

Quiz starten

1 Kommentar

Hip Goose 3. Jun 2020

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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