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In which of the following situations would one have to use an outer join in order to obtain the desired results?
Medical Professionals' Pay
The compensation or salary received by healthcare workers, which can vary significantly based on specialization, location, and experience.
Occupations
Jobs or professions that individuals engage in to earn a living.
Russia
The largest country in the world by area, spanning Eastern Europe and Northern Asia, known for its rich history, cultural heritage, and as a major global power.
Canada
A country in North America known for its vast landscapes, multicultural cities, and bilingual French and English heritage.
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