What do you understand about PySpark DataFrames?
What do you understand about PySpark 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: easy
标签: interviewbit, pyspark, topic-specific, spark, data-engineering
参考答案摘要
PySpark DataFrame is a distributed collection of well-organized data that is equivalent to tables of the relational databases and are placed into named columns. PySpark DataFrame has better optimisati...
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