Null Inclusion Dependencies in Relational Databases.
Mark LeveneGeorge LoizouPublished in: Inf. Comput. (1997)
Keyphrases
- inclusion dependencies
- relational databases
- functional dependencies
- relational model
- data dependencies
- databases
- object oriented
- database
- integrity constraints
- normal form
- sql queries
- xml databases
- database technology
- containment of conjunctive queries
- universal relation
- database schema
- xml documents
- set of functional dependencies
- relational database systems
- relational algebra
- relational database management systems
- inference rules
- null values
- database schemes
- database systems
- metadata