About the talk
Join us for an insightful event diving into YQL, the powerful query engine driving Yandex's cutting-edge technologies! Discover its role in YDB database, YtSaurus data platform, and internal services. Learn how YQL translates SQL to Map/Reduce and explore its autonomous query execution. Uncover why YQL is pivotal for data management at Yandex. Don't miss this opportunity to explore the heart of innovative data solutions!
This talk will cover
- A brief history of YQL
- The transformation of an SQL query from a relational algebra operator tree to an execution plan
- Breaking down the plan into stages, and the stages into tasks
- Demonstrating the stages of query transformation and execution using utilities from the open-source YDB database
Web Development
About the speaker
Alexey is a tech lead at Yandex who is passionate about distributed databases. Alexey has been working on YtSaurus at Yandex for a long time. Since the end of 2019, he has been working on the YQL and YDB projects.