In the past few decades, metaheuristics have demonstrated their suitability in addressing
complex problems over different domains. This success drives the scientific community …

Effective query optimization is a core feature of any database management system. While
most query optimization techniques make use of simple metadata, such as cardinalities and …

Well-chosen secondary indexes are highly relevant for database performance. For complex
workloads, current index selection algorithms are either not fast or not highly competitive …

An efficient selection of indexes is indispensable for database performance. For large
problem instances with hundreds of tables, existing approaches are not suitable: They either …

Data encoding has been applied to database systems for decades as it mitigates bandwidth
bottlenecks and reduces storage requirements. But even in the presence of these …

The cost of DRAM contributes significantly to the operating costs of in-memory database
management systems (IMDBMS). Persistent memory (PMEM) is an alternative type of byte …

Hybrid Transactional and Analytical Processing databases (HTAP, OLxP) are an emerging
sector of databases combining Online Transactional Processing and Online Analytical …

Enterprises increasingly move their databases into the cloud. As a result, database-as-a-
service providers are challenged to meet the performance guarantees assured in service …

Data classification storage has emerged as an effective strategy, harnessing the diverse
performance attributes of storage devices and orchestrating a harmonious equilibrium …

Based on the performance requirements of modern spatio-temporal data mining
applications, in-memory database systems are often used to store and process the data. To …