尝试根据另一行的条件提取行时遇到问题。样品表:
GroupID | Name | Salary | Car
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9009 | Isaac | 10,000 | Honda
9009 | Ricky | | Nissan
9080 | Patrick | 20,000 | Ferrari
9080 | Susan | 30,000 | Nissan
问题:如果我想提取这样的数据,我应该如何查询:
GroupID | Name | Salary | Car
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9009 | Isaac | 10,000 | Honda
9080 | Patrick | 20,000 | Ferrari
基于条件car = Nissan
?