Addendum to Null Values in Nested Relational Databases.
Mark A. RothHenry F. KorthAbraham SilberschatzPublished in: Acta Informatica (1991)
Keyphrases
- null values
- relational databases
- normal form
- nested relations
- integrity constraints
- incomplete information
- functional dependencies
- data dependencies
- relational algebra
- query evaluation
- databases
- relational model
- containment of conjunctive queries
- object oriented
- database
- database schema
- sql queries
- database technology
- xml documents
- keyword search
- load balancing
- database theory
- inclusion dependencies
- relational database theory
- xml schema
- database design
- predicate logic
- update operations
- database applications
- data warehouse