91 search results - page 7 / 19 » Aggregate Operators in Constraint Query Languages |
BNCOD
1997
13 years 8 months ago
1997
With the substantial change of declarative query languages from plain SQL to the so-called \object SQLs", in particular OQL, there has surprisingly been not much change in the...
SDB
1995
13 years 11 months ago
1995
Most of work on partial information in databases asks which operations of standard languages, like relational algebra, can still be performed correctly in the presence of nulls. In...
ICDE
2011
IEEE
12 years 11 months ago
2011
IEEE
—Complex SQL queries are widely used today, but it is rather difficult to check if a complex query has been written correctly. Formal verification based on comparing a specifi...
DCOSS
2008
Springer
13 years 9 months ago
2008
Springer
Sensor networks can be viewed as large distributed databases, and SQL-like high-level declarative languages can be used for data and information retrieval. Energy constraints make ...
SIGCOMM
2009
ACM
14 years 1 months ago
2009
ACM
Network management operations are complicated, tedious and error-prone, requiring significant human involvement and expert knowledge. In this paper, we first examine the fundame...