Hive
- Hive runs on top of Hadoop
- Hive is SQL on top of Hadoop
- Our Sql queries are converted into MapReduce programs and executed on top of hive data warehouse tables
- Developed by Facebook
- Further developed and maintained by Apache Software Foundation
- Majorly used for basic statistics, reporting and data analytics
Features of Hive
- Enables easy data summarization
- Ad-hoc analysis of large volumes of data
- SQL like queries
- Scaling-up is easy
LAB: Start Hive
Start Hive
hive
Show tables
show tables;