The concept of precision in databases for both queries and data is introduced and formalized. Algorithms for maintaining a database at a specified degree of precision are presented and analyzed. It is shown how these algorithms can be used to choose an optimal query plan by means of a query optimizer.
|Original language||English (US)|
|Number of pages||8|
|Journal||Proceedings - IEEE Computer Society's International Computer Software & Applications Conference|
|State||Published - Dec 1 1989|
|Event||Proceedings of the Thirteenth Annual International Computer Software & Applications Conference - COMPSAC 89 - Orlando, FL, USA|
Duration: Sep 20 1989 → Sep 22 1989