Use partitioning and bucketing - Amazon Athena
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Use partitioning and bucketing

Partitioning and bucketing are two ways to reduce the amount of data Athena must scan when you run a query. Partitioning and bucketing are complementary and can be used together. Reducing the amount of data scanned leads to improved performance and lower cost. For general guidelines about Athena query performance, see Top 10 performance tuning tips for Amazon Athena.

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