Apache Hive – Big Data & ETL

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How to save data from Hive (Parquet, Text, ORC) to CSV file or any different file type?

Post Author:cieslap
Post published:20 December 2019
Post Category:Apache Hive / Articles / Big Data / Cloudera
Post Comments:0 Comments

In this post I will show you few ways how you can export data from Hive to csv file. For this tutorial I have prepared hive table "test_csv_data" with few…

How to check if table exists in Apache Hive using Apache Spark?

Post Author:cieslap
Post published:20 August 2018
Post Category:Apache Hive / Apache Spark / Big Data
Post Comments:2 Comments

Simple short tip how to check if table exists int Hive using Spark

Hive – the best way to convert data from one format to another (CSV, Parquet, Avro, ORC)

Post Author:cieslap
Post published:20 August 2018
Post Category:Apache Hive / Articles / Big Data
Post Comments:0 Comments

In this tutorial I will show you what is the best apporach to convert the data from one format (CSV, Parquet, Avro, ORC) to another.

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