hard20 pts · first answer countssparkspark-sql

Using monotonically_increasing_id as a key

A developer uses monotonically_increasing_id() to create invoice numbers and expects 1, 2, 3... What will they actually get?

A.Consecutive ids from 0 with no gapsB.Random ids that may repeat across partitionsC.The same id on every row of a partitionD.Unique, increasing ids with large gaps between partitions

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Using monotonically_increasing_id as a key

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