Evolution of a Relational Schema and Its Impact on SQL Queries.
Martin ChytilMarek PolákMartin NecaskýIrena HolubováPublished in: IDC (2013)
Keyphrases
- sql queries
- relational schema
- relational database systems
- relational databases
- database schema
- xml schema
- schema mappings
- relational data
- relational model
- database systems
- xml documents
- object oriented
- entity relationship
- relational algebra
- functional dependencies
- database
- normal form
- query processing
- data storage
- data exchange
- integrity constraints
- database technology
- databases
- b tree
- structured data
- database management systems
- management system
- query optimization
- data structure
- continuous queries
- metadata
- conceptual schema
- expressive power