2 papers
cs.DB2026
ReSequel: Robust LLM-assisted Query Rewriting and Optimization using Templatization and Sampling
Saeed Fathollahzadeh, Essam Mansour, Matthias Boehm
Heuristic query rewriting has long complemented cost-based optimization to improve performance. Such rewrites transform SQL queries into semantically equivalent forms that are easi…
cs.DB2025
Join Cardinality Estimation with OmniSketches
David Justen, Matthias Boehm
Join ordering is a key factor in query performance, yet traditional cost-based optimizers often produce sub-optimal plans due to inaccurate cardinality estimates in multi-predicate…