The relational algebra operator division is misnamed, hard to understand and insufficient. This paper explains division and presents HAS, a generalization of division which is useful for answering questions about an M-M relationship between entities.
|Original language||English (US)|
|Number of pages||8|
|Journal||Proceedings - International Conference on Data Engineering|
|State||Published - Jan 1 1986|
|Event||2nd IEEE International Conference on Data Engineering, COMPDEC 1986 - Los Angeles, United States|
Duration: Feb 5 1986 → Feb 7 1986