How can you inner join two DataFrames?
How can you inner join two DataFrames?
题目类型: 技术面试题
这是一道技术面试题,常见于澳洲IT公司面试中。
难度: hard
标签: interviewbit, pyspark, topic-specific, spark, data-engineering
参考答案摘要
We can make use of the join() method present in PySpark SQL. The syntax for the function is: join(self, other, on=None, how=None) where, other - Right side of the join on - column name string used for...
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