Local and Global Query Optimization Mechanisms for Relational Databases.
Kazuhiro SatohMasashi TsuchidaFumio NakamuraKazuhiko OomachiPublished in: VLDB (1985)
Keyphrases
- query optimization
- multidatabase systems
- relational databases
- xml data
- database systems
- cost model
- cost estimation
- query processing
- query execution
- xml databases
- cardinality estimation
- query rewriting
- query execution plans
- query scheduling
- functional dependencies
- database
- relational data
- object oriented
- sql queries
- query optimizer
- keyword search
- continuous queries
- join queries
- xml documents
- data placement
- efficient execution
- xml schema
- xml queries
- sparql queries
- recursive queries
- normal form
- building blocks