28 search results - page 1 / 6 » An SQL Extension Supporting User Viewpoints |
DEXA
1995
Springer
13 years 8 months ago
1995
Springer
- In order to accomplish independence on the logical data organization, a relational DBMS must be capable of interpreting query language sentences which reference attributes belong...
CIKM
2008
Springer
13 years 7 months ago
2008
Springer
The standard SQL assumes that the users are aware of all tables and their schemas to write queries. This assumption may be valid when the users deal with a relatively small number...
CAISE
2003
Springer
13 years 10 months ago
2003
Springer
Abstract. Even though SQL has become widely accepted as a language for implementing relational database schemas and querying data, there are cases where s experience the need for n...
VLDB
2007
ACM
14 years 5 months ago
2007
ACM
The growing nature of databases, and the flexibility inherent in the SQL query language that allows arbitrarily complex formulations, can result in queries that take inordinate am...
ADBIS
2006
Springer
13 years 11 months ago
2006
Springer
Abstract. Integration of text and documents into database management systems has been the subject of much research. However, most of the approaches are limited to data retrieval. C...