摘要：
1. Basic aggregation Data aggregation is the process of gathering and expressing data in a summary to get more information about particular groups bas 阅读全文
posted @ 2019-09-10 17:56
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2019年9月10日 #
摘要：
1. Data exchanging with LOAD To move data, Hive uses the LOAD statement. Move here means the original data is moved to the target table/partition and 阅读全文
posted @ 2019-09-10 15:17
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摘要：
1. Project data with SELECT The most common use case for Hive is to query data in Hadoop. To achieve this, we need to write and execute a SELECT state 阅读全文
posted @ 2019-09-10 15:15
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