Heterogeneous Database Query Optimization in DB2 Universal DataJoiner.
Shivakumar VenkataramanTian ZhangPublished in: VLDB (1998)
Keyphrases
- query optimization
- heterogeneous databases
- query execution plan
- database
- database systems
- databases
- relational databases
- query processing
- cost model
- xml data
- multidatabase systems
- query execution
- heterogeneous data
- cost estimation
- query scheduling
- data sources
- information integration
- query execution plans
- join queries
- cardinality estimation
- query optimizer
- multi dimensional
- approximate query answering
- continuous queries
- object oriented databases
- data integration
- database applications
- building blocks
- query optimizers
- data model