2 papers
cs.DB2026
BaCon: Efficient Batch Processing of Counting Queries [Full Version]
Yuxi Liu, Xiao Hu, Pankaj K. Agarwal +1
Counting queries are ubiquitous in database systems, particularly for driving internal system optimization. Learned models for cardinality estimation rely heavily on large-scale tr…
cs.DB2024
PARQO: Penalty-Aware Robust Plan Selection in Query Optimization
Haibo Xiu, Pankaj K. Agarwal, Jun Yang
The effectiveness of a query optimizer relies on the accuracy of selectivity estimates. The execution plan generated by the optimizer can be extremely poor in reality due to uncert…