Dynamic Query Optimization Approach for Semantic Database Grid.
Xiaoqing ZhengHuajun ChenZhaohui WuYuxin MaoPublished in: J. Comput. Sci. Technol. (2006)
Keyphrases
- query optimization
- database systems
- database
- cost model
- query processing
- databases
- cost estimation
- database management systems
- xml data
- query execution plan
- relational databases
- efficient query processing
- multidatabase systems
- database applications
- cardinality estimation
- query optimizer
- data management
- execution plan
- query execution
- approximate query answering
- data placement
- data model
- query plan
- query scheduling
- selectivity estimation
- query rewriting
- relational database systems
- distributed environment
- query execution plans
- continuous queries
- database operations
- complex queries
- access methods
- semi structured data
- recursive queries
- storage structures
- database queries