A set of mutation operators for SQL queries that retrieve information from a database is developed and tested against a set of queries drawn from the NIST SQL Conformance Test Sui...
To evaluate the performance of database applications and DBMSs, we usually execute workloads of queries on generated databases of different sizes and measure the response time. Th...
We present a declarative and visual debugging environment for Eclipse called JIVE.1 Traditional debugging is procedural in that a programmer must proceed step-by-step and objectby...
Provenance in scientific workflows is a double-edged sword. On the one hand, recording information about the module executions used to produce a data item, as well as the parame...
Susan B. Davidson, Sanjeev Khanna, Sudeepa Roy, Ju...
For complex queries in parallel database systems, substantial amounts of data must be redistributed between operators executed on different processing nodes. Frequently, such inter...