An operating system’s readahead and buffer-cache behaviors can significantly impact application performance; most often these better performance, but occasionally they worsen it...
— Accurate query performance prediction (QPP) is central to effective resource management, query optimization and query scheduling. Analytical cost models, used in current genera...
High availability for both data and applications is rapidly becoming a business requirement. While database systems support recovery, providing high database availability, applica...
— Many applications require sorting a table over multiple sort orders: generation of multiple reports from a table, evaluation of a complex query that involves multiple instances...
In XML databases, materializing queries and their results into views in a semantic cache can improve the performance of query evaluation by reducing computational complexity and I...