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Hive Query Language



HiveQL is the Hive query language.It  provides the basic SQL-like operations





Schema on Read:
Hive does not verify the data when it is loaded, but rather when a query is issued.
Schema on read makes for a very fast initial load, since the data does not have to be read, parsed and serialized to disk in the database’s internal format. The load operation is just a file copy or move.
- See more at: http://labstrikes.blogspot.in/2012/08/adsense-middle-blog-post.html#sthash.gQgSkqx8.dpuf
 
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