A composite identifier is defined as a composite attribute that is an identifier. Indicate ...

Author Question: A composite identifier is defined as a composite attribute that is an identifier. Indicate ... (Read 189 times)

segrsyd

Hero Member
Posts: 530

on: Jul 7, 2018

A composite identifier is defined as a composite attribute that is an identifier.

Indicate whether the statement is true or false

Question 2

A surrogate key is an artificial column that is added to a relation to be its primary key.

Indicate whether the statement is true or false

fwbard

Sr. Member
Posts: 325

Reply #1 on: Jul 7, 2018

Answer to Question 1

FALSE

Answer to Question 2

TRUE

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segrsyd

Hero Member
Posts: 530

Reply #2 on: Jul 7, 2018

Correct answers!

fwbard

Sr. Member
Posts: 325

Reply #3 on: Jul 7, 2018

Great! Please up vote

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