- What is and Why Hive?
- Hive Architecture
- Physical Layout
- Loading data into Hive tables
What is and Why Hive?
What is Hive?
- Provides data warehousing solution built on top of Hadoop
- Facilitates querying and managing large data sets residing in distributed storage of Hadoop (HDFS or HBase)
- Comes with SQL-like language called HiveQL
- SQL has huge developer base
- Brings Hadoop capability (querying, analyzing, and summarizing large amounts of data) to developers familiar with SQL
- Allows you to project structure to any data formats
- Can handle non-structured data
- Open source Apache project
- Started at Facebook
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