What is the syntax for creating bucketing table in hive

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Hey,

Can anyone tell me what is the syntax for creating bucketing table in hive?

May 16, 2019 in Big Data Hadoop by daina
1,450 views

1 answer to this question.

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Hi,

Syntax for creating bucketed table is as follows:

create table page_views(user_id INT, session_id  INT, url STRING) PARTITIONED BY  (day INT) CLUSTERED BY (user_id) INTO 10;
Here the data would be classified depending upon hash number of user_id into 10 buckets. So when someone queries for certain user_id, the processor will first calculate the hash number of the user_id in query and will look for only that bucket.
answered May 16, 2019 by Gitika
• 65,890 points

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