dashDB - Introduction
dashDB is a database that is designed for performance and scale. It offers seamless compatibility with a wide range of tools.
OLAP:
dashDB local and the dashDB managed service analytics plans include features such as in-memory data processing and columnar tables
for online analytical processing.
OLTP:
The managed service transactional plans deliver fast query processing with enterprise-level performance and capabilites for online transactional processing.
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dashDB - Introduction and DB Tools
原文：http://www.cnblogs.com/andypengyong/p/7116289.html