试题详情
- 单项选择题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.
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