Author: Yiquan Zhang

Using UDF for Machine Learning

October 06, 2017

We added support for scalar user-defined functions in our recent release, VoltDB V7.6. With this feature, users can write their own SQL functions in Java and load them into VoltDB. Those functions, once loaded, can be used in all kinds of SQL queries just like any other built-in SQL functions. User-defined functions can give you […]

Continuous queries on streams in VoltDB using materialized views

June 12, 2016

We’ve added a new feature in VoltDB v6.6: support for joins in materialized views. We’re very pleased to share this update with you. Read on for use cases and practical suggestions. Fast data applications rely heavily on DBMSs like VoltDB to provide steady support for many continuous and complex queries returning aggregate and summary data. […]

An intern’s experience with VoltDB Materialized Views

September 23, 2015

My name is Yiqun Zhang and I worked as a software engineering intern on the SQL core team at VoltDB during the summer. The experience of working with so many smart and talented people was so much fun. I was proud to be part of the team. My work focused mainly on the materialized view […]

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