commit | 4743c6ea3e2dfef8f27ee172bdcff9004bc7640b | [log] [tgz] |
---|---|---|
author | Dongkyu Hwangbo <hwangbodk@gmail.com> | Mon Feb 15 15:08:44 2016 +0900 |
committer | Jinho Kim <jhkim@apache.org> | Mon Feb 15 15:08:44 2016 +0900 |
tree | 81f83c670b3e57c6ac110021533db8f883313c2c | |
parent | ef43dfaa5a69de8d1f3df3c23598d7b92758bacd [diff] |
TAJO-2017: Replace manual array copy with Collection. Closes #907 Signed-off-by: Jinho Kim <jhkim@apache.org>
Tajo is a relational and distributed data warehouse system for Hadoop. Tajo is designed for low-latency and scalable ad-hoc queries, online aggregation and ETL on large-data sets by leveraging advanced database techniques. It supports SQL standards. It has its own query engine which allows direct control of distributed execution and data flow. As a result, Tajo has a variety of query evaluation strategies and more optimization opportunities. In addition, Tajo will have a native columnar execution and and its optimizer.
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