A data warehouse collects and maintains a large amount of data from several distributed and heterogeneous data sources. Often the data is stored in the form of materialized views in order to provide fast access to the integrated data, regardless of the availability of the data sources. In this paper we focus on the following problem: for a given set of materialized select-project-join (SPJ) vie...

Being able to formulate useful SQL queries is a fundamental skill required by many software development professionals. Masteringthis skill is a difficultprocess, requiringconsiderable practice and effort on the part of the student. In addition, assessment of SQL query formulation skills is a process that does not appear to have been thoroughly researched, and numerous problems are inherent to t...

Migration of neurons is crucial for brain development. Equally essential to this developmental process is the specific transport of proteins within the neuron for axonal and dendritic specification. This Neurobiology Select highlights new findings that shed light on the mechanisms regulating both the movement of proteins within neurons and the movement of neuronal cells themselves within the de...