The popularity of NoSQL database systems is rapidly increasing, especially to support nextgeneration web applications. However, given the high heterogeneity existing in this world, where more than fifty systems are available, database design is usually based on best practices and guidelines which are strictly related to the selected system. We propose a database design methodology for NoSQL sys...

BACKGROUND The objective of this research is to compare the relational and non-relational (NoSQL) database systems approaches in order to store, recover, query and persist standardized medical information in the form of ISO/EN 13606 normalized Electronic Health Record XML extracts, both in isolation and concurrently. NoSQL database systems have recently attracted much attention, but few studies...

NoSQL data stores are becoming increasingly popular in application development. These systems are attractive for developers due to their ability to handle large volumes of data, as well as data with a high degree of structural variety. Typically, NoSQL data stores are accessed programmatically. Due to the imminent lack of standardized query languages, building applications against the native in...

Nowadays NOSQL databases are becoming more popular. Companies like Google, Facebook, and Amazon has created their own NOSQL databases based on their requirements. Different types of querying approaches are followed by different NOSQL databases, whereas traditional databases like MySQL, ORACLE, etc. follows SQL for querying. Most of the companies are shifting from traditional databases to NOSQL ...

Kieker’s monitoring output can be persistently saved into logs by utilizing relational databases or file systems. Currently, there is no support for noSQL storage. As part of our Regression Benchmarking Execution Environment (RBEE) we introduce a selfcontained system offering noSQL storage capabilities and acting as gateway between Kieker and RBEE. We show, how polyglot persistence can increase...

NoSQL databases focus on analytical processing of large scale datasets, offering increased scalability over commodity hardware. One of their strongest features is elasticity, which allows for fairly portioned premiums and high-quality performance and directly applies to the philosophy of a cloudbased platform. Yet, the process of adaptive expansion and contraction of resources usually involves ...

Big Data has recently gained popularity and has strongly questioned relational databases as universal storage systems, especially in the presence of analytical workloads. As result, co-relational alternatives, commonly known as NOSQL (Not Only SQL) databases, are extensively used for Big Data. As the primary focus of NOSQL is on performance, NOSQL databases are directly designed at the physical...

The recent growing interest on highly-available data-intensive applications sparked the need for flexible and portable storage technologies, e.g., NoSQL databases. NoSQL databases have emerged as the solution to handle large quantities of user-generated content still guaranteeing fault-tolerance, availability and scalability. NoSQL databases offer differentiated properties and characteristics a...