Optimization of queries with user-defined predicates Export

@article{citeulike:2859709, abstract = {Relational databases provide the ability to store user-defined functions and predicates which can be invoked in SQL queries. When evaluation of a user-defined predicate is relatively expensive, the traditional methods of evaluating predicates as early as possible is no longer a sound heuristic. There are two previous approaches for optimizing such queries. However, none of these approaches is able to guarantee the optimal plan over the desired execution space. We present an efficient technique...}, author = {Chaudhuri, Surajit and Shim, Kyuseok}, citeulike-article-id = {2859709}, citeulike-linkout-0 = {http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.45.6345}, journal = {ACM Transactions on Database Systems}, keywords = {1996, optimization}, number = {2}, pages = {177--228}, posted-at = {2008-06-03 19:33:38}, priority = {3}, title = {Optimization of queries with user-defined predicates}, url = {http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.45.6345}, volume = {24}, year = {1999} }

TY - JOUR ID - citeulike:2859709 L3 - citeulike-article-id:2859709 N2 - Relational databases provide the ability to store user-defined functions and predicates which can be invoked in SQL queries. When evaluation of a user-defined predicate is relatively expensive, the traditional methods of evaluating predicates as early as possible is no longer a sound heuristic. There are two previous approaches for optimizing such queries. However, none of these approaches is able to guarantee the optimal plan over the desired execution space. We present an efficient technique... IS - 2 JF - ACM Transactions on Database Systems EP - 228 TI - Optimization of queries with user-defined predicates VL - 24 SP - 177 KW - 1996 KW - optimization AU - Chaudhuri, Surajit AU - Shim, Kyuseok PY - 1999/// UR - http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.45.6345 ER -