Weighted Distinct Sampling: Cardinality Estimation for SPJ Queries.
Yuan QiuYilei WangKe YiFeifei LiBin WuChaoqun ZhanPublished in: SIGMOD Conference (2021)
Keyphrases
- cardinality estimation
- query optimization
- selectivity estimation
- query processing
- query optimizers
- web search engines
- database
- efficient query processing
- join queries
- database queries
- data sources
- query language
- cost model
- query evaluation
- relational database systems
- complex queries
- query plan
- range queries
- database operations
- multi dimensional
- access methods
- query optimizer
- execution plan
- cost estimation
- user queries