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Oracle认证考试

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In which case would you use a FULL OUTER JOIN?()

  • A、Both tables have NULL values.
  • B、You want all unmatched data from one table.
  • C、You want all matched data from both tables.
  • D、You want all unmatched data from both tables.
  • E、One of the tables has more data than the other.
  • F、You want all matched and unmatched data from only one table.
正确答案:D
答案解析:
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