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Exam DY0-001 topic 1 question 48 discussion

Actual exam question from CompTIA's DY0-001
Question #: 48
Topic #: 1
[All DY0-001 Questions]

A data analyst wants to generate the most data using tables from a database. Which of the following is the best way to accomplish this objective?

  • A. INNER JOIN
  • B. LEFT OUTER JOIN
  • C. RIGHT OUTER JOIN
  • D. FULL OUTER JOIN
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Suggested Answer: D 🗳️
by SuntzuLegacy at May 19, 2025, 9:43 a.m.

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SuntzuLegacy
1 month, 1 week ago
Selected Answer: D
A FULL OUTER JOIN returns all the rows from both tables, matching them where possible but including rows from each table even if there is no match in the other table. This generally produces the largest combined dataset of the four listed JOIN types. Therefore, the correct choice is: D. FULL OUTER JOIN
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