PCollection, PTable, and PGroupedTable all support a __________ operation.
A. intersection
B. union
C. OR
D. None of the mentioned
Answer:A
PCollection, PTable, and PGroupedTable all support a __________ operation.
A. intersection B. union C. OR D. None of the mentioned
Explanation:Union operation takes a series of distinct PCollections that all have the same data type and treats them as a single virtual PCollection. 2. Point out the correct statement :