commit | ae707c82d7aca73ba58bd4288c40e6031e617202 | [log] [tgz] |
---|---|---|
author | Hyunsik Choi <hyunsik@apache.org> | Wed Mar 16 11:20:17 2016 -0700 |
committer | Hyunsik Choi <hyunsik@apache.org> | Wed Mar 16 11:20:17 2016 -0700 |
tree | 48c4ad1fd17b4586cf46e6f40725135e1454de47 | |
parent | 87e2a7a22122d3d70b2f3aa83b09c2539426fdf7 [diff] |
TAJO-2043: Implement new data type and schema. Closes #934
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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