2 papers
cs.DB2025
Forgetting by Pruning: Data Deletion in Join Cardinality Estimation
Chaowei He, Yuanjun Liu, Qingzhi Ma +4
Machine unlearning in learned cardinality estimation (CE) systems presents unique challenges due to the complex distributional dependencies in multi-table relational data. Specific…
cs.DB2025
TKHist: Cardinality Estimation for Join Queries via Histograms with Dominant Attribute Correlation Finding
Renrui Li, Qingzhi Ma, Jiajie Xu +2
Cardinality estimation has long been crucial for cost-based database optimizers in identifying optimal query execution plans, attracting significant attention over the past decades…