The additivity Problem for Data Dependencies in Incomplete Relational Databases.
Mark LeveneGeorge LoizouPublished in: Semantics in Databases (1995)
Keyphrases
- data dependencies
- relational databases
- null values
- incomplete data
- functional dependencies
- normal form
- database schemes
- inclusion dependencies
- update operations
- relational model
- database schema
- database
- multi valued
- databases
- missing values
- object oriented
- missing data
- join dependencies
- directed acyclic graph
- relational algebra
- xml data
- database management systems
- software development
- xml documents
- data sets