Basics of SQL databases 🗄️

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

Descrição

Databases, Computer, SQL

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Perguntas

1 min

Por pergunta

7:14

Tempo médio

3,0

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1 comentário

Hip Goose 3 de jun de 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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