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Which of the following is true about Spark DataFrame? i) A DataFrame is a Datase...

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Which of the following is true about Spark DataFrame?

i) A DataFrame is a Dataset organized into named columns

ii) A DataFrame is conceptually equivalent to a table in a relational database

iii) Spark does not evaluate DataFrame lazily

iv) DataFrame computation happens only when action appears (e.g., display result, save output)

i, ii, iii

i, ii, iv

100%

ii, iii, iv

i, ii, iii, iv

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