Weighted Distinct Sampling: Cardinality Estimation for SPJ QueriesJun 1, 2021·Yuan Qiu,Yilei Wang,Ke Yi,Feifei Li,Bin Wu,Chaoqun Zhan· 0 min read CitepublicationLast updated on Jun 1, 2021 ← Cquirrel: Continuous Query Processing over Acyclic Relational Schemas Aug 1, 2021AnalyticDB-V: A Hybrid Analytical Engine Towards Query Fusion for Structured and Unstructured Data Aug 1, 2020 →