Home › Forums › Hive › dive in hive

Tagged: 

Viewing 1 post (of 1 total)
  • Author
    Posts
  • February 2, 2015 at 4:41 pm #870
    ProTechSkills
    Keymaster

    SerDe is short for Serializer/Deserializer. Hive uses the SerDe interface for IO.
    A SerDe allows Hive to read in data from a table, and write it back out to HDFS in any custom format. There are three types of SerDe :- 1.built-in 2.third party 3.custom serde

    built-in :- Avro, ORC, RegEx thrift, parquet, CSV (search net for descp)
    third-party :- for JSON files provided by amazon.
    custom :- can write your own serde with help using developer guide.

  • Author
    Posts
Viewing 1 post (of 1 total)
  • You must be logged in to reply to this topic.