Why is the following query valid for a NATURAL join? SELECT album.title, artist.name FROM album NATURAL JOIN artist;     The two tables share identical columns. The tables have a shared column, but their column names are not identical which makes it a candidate for a NATURAL JOIN. The query is not a valid NATURAL JOIN query and must use a JOIN... ON instead. The tables do not have a foreign key relationship.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Why is the following query valid for a NATURAL join?

SELECT album.title, artist.name
FROM album
NATURAL JOIN artist;

 
 
  • The two tables share identical columns.

  • The tables have a shared column, but their column names are not identical which makes it a candidate for a NATURAL JOIN.

  • The query is not a valid NATURAL JOIN query and must use a JOIN... ON instead.

  • The tables do not have a foreign key relationship.

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