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Jethro - We Make Real-Time Business Intelligence Work on Hadoop

Jethro Blog

SQL-on-Hadoop, BI-on-Hadoop, Big Data, Interactive Business Intelligence, SQL Query Acceleration and Everything in between.


Create Join Index

By Boaz Raufman on November 01, 2017

Creates a new join index for a given dimension column and a fact table.  The dimension join key must be a PRIMARY KEY for the dimension table.

Join Indexes in Jethro 1.2.0

By Boaz Raufman on November 24, 2015

The brand new Jethro 1.2.0 release packs another powerful performance feature called Join Indexes. Join indexes accelerate performance of join queries with where clause on a dimension value. Combined with Jethro star transformation optimization, join indexes ensure that Jethro uses the most...