Sergey Petrunia
Lead Software Engineer, MySQL

Website

Sergey Petrunia is a member of MySQL Query Optimizer team. He has implemented query optimizer features like index_merge access, partition pruning, semi-join subquery optimizations, and numerous smaller improvements.

Sessions

Architecture and Technology
Location: Ballroom E
Sergey Petrunia (MySQL)
This talk describes new subquery optimizations in MySQL 6.0: what they are, how they are reflected in EXPLAIN output, and how they give orders-of-magnitude speedups for real-world queries. Read more.
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