Post by Admin on Mar 14, 2014 18:45:38 GMT
• Hive was originally developed at Facebook.
• Provides a very SQL-Like language.
• Can be user by people who know SQL.
• Enabling Hire requires almost no extra work by the system administrator.
• Hive “layers” table definitions on top of data in HDFS.
• Hive tables are stored in Hire’s “warehouse” directory in HDFS, by default /User/Hive/Warehouse.
• Tables are stored in subdirectories of the ware house directory.
• Actual data is stored in flat files – Control character – Delimited text, or Sequence files.