Selectivity Estimation for Joins Using Systematic Sampling.

Banchong Harangsri John Shepherd Anne H. H. Ngu

Published in: DEXA Workshop (1997)

Keyphrases

selectivity estimation
query optimization
spatial join
cost model
database systems
approximate query answering
query processing
join algorithms
xml queries
spatial databases
query optimizer
xml data
query plan
join operations
databases