A critique of Claude Rubinson's paper nulls, three - valued logic, and ambiguity in SQL: critiquing Date's critique.
C. J. DatePublished in: SIGMOD Rec. (2008)
Keyphrases
- relational databases
- relational algebra
- query language
- databases
- multi valued
- logic programming
- data exchange
- nonmonotonic logics
- database management
- inference rules
- database
- query answering
- relational model
- visual basic
- database design
- database management systems
- sql queries
- automated reasoning
- data management
- mixed initiative
- database systems
- database language