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cs.DB2026
Efficient Query Rewrite Rule Discovery via Standardized Enumeration and Learning-to-Rank(extend)
Yuan Zhang, Yuxing Chen, Yuekun Yu +5
Query rewriting is essential for database performance optimization, but existing automated rule enumeration methods suffer from exponential search spaces, severe redundancy, and po…
cs.DB2025
TXSQL: Lock Optimizations Towards High Contented Workloads (Extended Version)
Donghui Wang, Yuxing Chen, Chengyao Jiang +10
Two-phase locking (2PL) is a fundamental and widely used concurrency control protocol. It regulates concurrent access to database data by following a specific sequence of acquiring…