Explain Clustering in Hive?



Explain Clustering in Hive?..

Answer / Sangeeta Maurya

Clustering in Hive is a technique used to improve query performance by partitioning data based on one or more columns. Clustered partitions allow the data to be stored contiguously on disk, which reduces the number of times a block needs to be read during a query. Here's an example:

```sql
CREATE TABLE table_name (columns...) PARTITIONED BY (partition_column1 data_type, partition_column2 data_type);
```

Replace `table_name`, `columns`, `partition_column1`, and `partition_column2` with appropriate names.

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