6650 search results - page 347 / 1330 » Mutating database queries |
232
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ICDE
2003
IEEE
16 years 6 months ago
2003
IEEE
We present a valid-time extension of SQL and investigate its efficient implementation on an Object-Relational database system. We propose an approach where temporal queries are ex...
217
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SIGMOD
2007
ACM
16 years 5 months ago
2007
ACM
There is a growing need to associate a variety of metadata with the underlying data, but a simple, elegant approach to uniformly model and query both the data and the metadata has...
175
Voted
IDEAS
2009
IEEE
15 years 11 months ago
2009
IEEE
In this paper, we present our work on evaluating the skyline algorithms BNL, SFS, and a variant of LESS in PostgreSQL. It is well known that the performance of skyline queries is ...
136
Voted
IDEAS
2005
IEEE
15 years 10 months ago
2005
IEEE
We introduce and study a new class of queries that we refer to as ACMA (arithmetic constraints on multiple attributes) queries. Such combinatorial queries require the simultaneous...
128
Voted
DEXA
1995
Springer
15 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...