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What is data skew and how do you fix it?



What is data skew and how do you fix it?..

Answer / Anuradha Kumari

Data skew refers to the uneven distribution of data within a dataset, which can affect query performance in a distributed computing environment. To mitigate data skew, strategies such as rebalancing data partitioning, using sampling for queries, or applying transformations like sort-key skew join can be employed.

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