251 search results - page 40 / 51 » Optimizing recursive queries in SQL |
LPAR
2005
Springer
14 years 1 months ago
2005
Springer
Integrity checking is an essential means for the preservation of the intended semantics of a deductive database. Incrementality is the only feasible approach to checking and can be...
SSDBM
1999
IEEE
13 years 11 months ago
1999
IEEE
Large scale data analysis and mining activities, such as identifying interesting trends, making unusual patterns to stand out and verifying hypotheses, require sophisticated infor...
SIGMOD
1996
ACM
13 years 11 months ago
1996
ACM
We investigate the problem of incremental maintenance of an SQL view in the face of database updates, and show that it is possible to reduce the total time cost of view maintenanc...
PODS
2003
ACM
14 years 7 months ago
2003
ACM
Full disjunctions are an associative extension of the outerjoin operator to an arbitrary number of relations. Their main advantage is the ability to maximally combine data from di...
DEBU
2006
13 years 7 months ago
2006
Performance tuning in modern database systems requires a lot of expertise, is very time consuming and often misdirected. Tuning attempts often lack a methodology that has a holist...