Keyphrases
- database engine
- efficient implementation
- database systems
- query processor
- aggregate functions
- query execution
- relational databases
- data intensive
- development environment
- back end
- data management
- query processing
- data model
- sql queries
- relational data model
- data access
- database
- relational model
- query optimizer
- database schema
- query optimization
- sql statements
- cost model
- entity relationship
- query engine