Since Hive is designed for data warehouse applications, and read the contents of the data warehouse is to write less. Therefore, Hive is not recommended rewriting of the data, all data is loaded when determining good. The data in the database are usually require frequent changes, so you can use INSERT INTO ... VALUES add data, modify data using UPDATE ... SET. The above article content from "Monkey Wisdom Education": www.wukongone.com, "Wukong wisdom education" is a professional video teaching large data network, exclusive tailor your future.
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Origin www.cnblogs.com/wukongone/p/11908228.html
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