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Big Data Forensics – Learning Hadoop Investigations by Joe Sremack

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Collecting Hive evidence

Hive is a platform for analyzing data. It uses a familiar SQL querying language, so there is no need to write Java code for MapReduce functions. Hive operates such as a database and stores all metadata in a database, so accessing the database via queries should be familiar to people who have experience working with relational databases. Hive has several important components that are critical to understand for investigations:

  • Hive Data Storage: The type and location of data stored and accessed by Hive, which includes HDFS, Amazon S3, and other locations
  • Metastore: The database that contains Hive data metadata (not in HDFS)
  • HiveQL: The Hive query language, which is a SQL-like language
  • Databases and Tables: The logical containers ...

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