Database Management
Accenture PrimereasyDatabase Management07 Joins & Subquery

In which cases would you use an outer join?

Answer options

A
Only when the tables have a primary key/foreign key relationship. The tables being joined have only matched dat
B
The tables being joined have only unmatched dat

Correct answer: Only when the tables have a primary key/foreign key relationship. The tables being joined have only matched dat

Explanation

Outer joins return matched and unmatched rows from one or both tables.

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