hive big data - Wikitechy https://www.wikitechy.com/interview-questions/tag/hive-big-data/ Interview Questions Mon, 13 Sep 2021 05:59:36 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://www.wikitechy.com/interview-questions/wp-content/uploads/2025/10/cropped-wikitechy-icon-32x32.png hive big data - Wikitechy https://www.wikitechy.com/interview-questions/tag/hive-big-data/ 32 32 What is Data Hive ? https://www.wikitechy.com/interview-questions/hive/what-is-data-hive/ https://www.wikitechy.com/interview-questions/hive/what-is-data-hive/#respond Tue, 13 Jul 2021 21:10:43 +0000 https://www.wikitechy.com/interview-questions/?p=557

Data Hive

  • Data Hive is a data warehouse software project built on top of Apache Hadoop for providing query, and analysis.
  • Hive gives SQL like interface to query data stored in different databases and file systems that integrate with Hadoop.
Apache hive data model
Data Processing Task
  • Download the data
  • Upload the data
  • Start the hive view
    • Explore the hive user interface(UI)
    • Create table temp_drivers
    • Create query to populate hive table temp_drivers with drivers.csv data
    • Create table drivers
    • To create query for extract data from temp_drivers and store it to drivers.
    • Create temp_timesheet and timesheet tables.
    • For filter the data (driverid, hours_logged, miles_logged).
    • For join the data (driverid, name, hours_logged, miles_logged).
]]> https://www.wikitechy.com/interview-questions/hive/what-is-data-hive/feed/ 0