Showing cs.DBShow all
3 papers · 1 filter
cs.DB2026
No Silver Bullet: Boosting GaussDB Performance on the 30TB TPC-H Workload
Tim Zeyl, Jason Lam, Shu Lin +15
GaussDB is Huawei's premier database system, designed for large-scale deployments and the most demanding workloads. It is a distributed shared-nothing system, capable of handling a…
cs.DB2026
Efficient Cost-Based Rewrite in a Bottom-Up Optimizer
Qi Cheng, Yang Sun, Weidong Yu +4
The query optimizer in a Database Management Systems (DBMS), translates declarative queries into efficient execution plans. Conventional bottom-up optimization consists of two main…
cs.DB2025
Including Bloom Filters in Bottom-up Optimization
Tim Zeyl, Qi Cheng, Reza Pournaghi +5
Bloom filters are used in query processing to perform early data reduction and improve query performance. The optimal query plan may be different when Bloom filters are used, indic…