995 search results - page 20 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
VLDB
1999
ACM
13 years 11 months ago
1999
ACM
Microsoft SQL Server was successful for many years for transaction processing and decision support workloads with neither merge join nor hash join, relying entirely on nested loop...
ICDE
2005
IEEE
14 years 8 months ago
2005
IEEE
The SQL queries produced in XML-to-SQL query translation are often unnecessarily complex, even for simple input XML queries. In this paper we argue that relational systems can do ...
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
In this paper, we present the design, implementation, and evaluation of a system that executes complex event queries over real-time streams of RFID readings encoded as events. The...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
Abstract. We describe the construction of a generic natural language query interface to an XML database. Our interface can accept an arbitrary English sentence as a query, which ca...
SIGMOD
1996
ACM
13 years 11 months ago
1996
ACM
While much recent research has focussed on extending databases beyond the traditional relational model, relatively little has been done to develop database tools for querying data...