Presented By
O’Reilly + Cloudera
Make Data Work
29 April–2 May 2019
London, UK
Jaydene Green

Jaydene Green
Associate Software Development Engineer ,

Jay Green is a final-year student in computer science at King’s College London. She joined the big data platform team at for her industrial placement year, where she’s worked with Apache Hive, modularization techniques for SQL, and mutation testing tools.


14:0514:45 Thursday, 2 May 2019
Elliot West (, Jaydene Green (
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Elliot West and Jay Green share approaches for applying software engineering best practices to SQL-based data applications to improve maintainability and data quality. Using open source tools, Elliot and Jay show how to build effective test suites for Apache Hive code bases and offer an overview of Mutant Swarm, a tool to identify weaknesses in tests and to measure SQL code coverage. Read more.