698 search results - page 33 / 140 » Auditing SQL Queries |
ICDT
2007
ACM
15 years 4 months ago
2007
ACM
Abstract. We study containment of conjunctive queries that are evaluated over databases that may contain tuples with null values. We assume the semantics of SQL for single block qu...
167
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SIGMOD
2005
ACM
15 years 10 months ago
2005
ACM
Although integrity constraints have long been used to maintain data consistency, there are situations in which they may not be enforced or satisfied. In this paper, we present Con...
EDBT
2004
ACM
15 years 10 months ago
2004
ACM
XQuery is increasingly popular among computer scientists with a SQL background, since queries in XQuery and SQL require comparable skills to be formulated. However, the number of ...
159
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
Modern enterprise applications are forced to deal with unreliable, inconsistent and imprecise information. Probabilistic databases can model such data naturally, but SQL query eva...
SIGMOD
2000
ACM
15 years 2 months ago
2000
ACM
Testing an SQL database system by running large sets of deterministic or stochastic SQL statements is common practice in commercial database development. However, code defects oft...