262 search results - page 42 / 53 » Spatio-temporal join selectivity |
EDBT
2009
ACM
14 years 6 days ago
2009
ACM
The concept of time-constrained SQL queries was introduced to address the problem of long-running SQL queries. A key approach adopted for supporting time-constrained SQL queries i...
IDEAS
2000
IEEE
13 years 12 months ago
2000
IEEE
Most operations of the relational algebra or SQL - like projection with duplicate elimination, join, ordering, group by and aggregations - are efficiently processed using a sorted...
SIGMOD
2000
ACM
13 years 12 months ago
2000
ACM
Testing an SQL database system by running large sets of deterministic or stochastic SQL statements is common practice in commercial database development. However, code defects oft...
IPPS
1999
IEEE
13 years 12 months ago
1999
IEEE
We explore the creation of a metacomputer by the aggregation of independent sites. Joining a metacomputer is voluntary, and hence it has to be an endeavor that mutually benefits a...
ECOOP
1999
Springer
13 years 12 months ago
1999
Springer
Program errors are hard to find because of the cause-effect gap between the time when an error occurs and the time when the error becomes apparent to the programmer. Although debu...