Database Technologies: Nosql Database Systems

Decent Essays
The model in this project is a hybrid database management system, a hybrid database system means that it is a system that supports both in-memory and on-disk data storage. The main purpose of using a hybrid database management system is the need of high database performance with small in- memory footprint that only it provides. This architectural design additional features, for example, durability, low costs for on-disk database management systems. In short, the architecture of this hybrid system uses local hard drives for retaining and saving the data, yet makes use of the cloud technology for more storage and backup as well as memory for data in dynamic use to increase overall database management system performance and security. The overall …show more content…
Choosing a database solution used to boil down to examining the difference between open source relational and commercial databases solutions. However, these selection criteria have changed with new database technologies emerging, today there is a new term in these criteria, NoSQL databases. This section helps is understanding the NoSQL concept, whether to and consider is a NoSQL database solution or an RDBMS or their integration is the best choice for the project.
What is this NoSQL?
It first started as an in-house database solution for big tech companies, for example, Google BigTable, Amazon Dynamo, Facebook Cassandra, Twitter FlockDB, Yahoo! PNUTS among other large company solutions. They did not start by completely rejecting relational database and other SQL solutions, they tried them all. However, they did not meet the system solutions requirements. The main issues they faced were nearly perfect service availability while operating in an unreliable environment, expectations of low-latency access to massive datasets, and unprecedented transaction volumes. They initially tried the traditional approach, of adding hardware to up the database solution performance, but, this is increasingly expensive with this ever-growing unprocessed data. A shift in the IT operations influenced the design of the NoSQL database solutions. The idea was replicating the data to scale concurrent access across multiple systems was unnecessary as many of the design solutions met the reliability

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