552 search results - page 28 / 111 » XQuery Implementation in a Relational Database System |
DAWAK
2005
Springer
14 years 2 months ago
2005
Springer
Database integration of data mining has gained popularity and its significance is well recognized. However, the performance of SQL based data mining is known to fall behind specia...
ICDE
1997
IEEE
14 years 10 months ago
1997
IEEE
The need to transform data between heterogeneous databases arises from a number of critical tasks in data management. These tasks are complicated by schema evolution in the underl...
DBA
2004
13 years 10 months ago
2004
In this paper we present an authorization mechanism for a relational database. It allows defining the user privileges exact to a table row. To implement that we used the INSTEAD t...
EDBT
2006
ACM
14 years 8 months ago
2006
ACM
: This work describes a method for processing XPath on a relational back-end that significantly limits the number of SQL joins required, takes advantage of the strengths of modern ...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
This paper extends relational processing and optimization to the FISQL/FIRA languages for dynamic schema queries over multidatabases. Dynamic schema queries involve the creation a...