15 Concluding Remarks
NOSQL data stores excel with their distribution features and the schemaless storage of data. However, given the huge variety of modern data stores and data management systems, a major question for a production environment remains: which system is the best choice for the application at hand? Moreover, several steps are necessary to transfer a legacy application to support new data models, new query languages and new access methods and hence to fully integrate the new data store with the existing application. In this chapter we provide a discussion on the consequences that might ensue from changing the data models or precautions that must be taken to smoothly integrate the novel systems. In addition, we survey approaches to ...
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