Towards Conceptual and Logical Modelling of NoSQL Databases

Jaroslav Pokorný () and Karel Richta ()
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Jaroslav Pokorný: Charles University, Faculty of Mathematics and Physics
Karel Richta: University College of Polytechnics

A chapter in Advances in Information Systems Development, 2022, pp 255-272 from Springer

Abstract: Abstract NoSQL databases (DB) support the ability to handle large volumes of data in the absence of an explicit data schema. On the other hand, schema information is sometimes essential for applications during data retrieval. Consequently, there are approaches to schema construction, e.g., in the JSON DB and graph DB communities. The difference between a conceptual and database schema is often vague in this case. We use functional constructs—typed attributes for a conceptual view of DB that provide a sufficiently structured approach for expressing semantics of document and graph data. Attribute names are natural language expressions. Such typed functional data objects can be manipulated by terms of a typed λ-calculus, providing powerful nonprocedural query features for considered data structures. The calculus is extendible. Logical, arithmetic operations, and aggregation functions can be included there. Really, conceptual and database modelling merge in this case. The paper focuses on conceptual/database schemas for JSON and graph NoSQL data models.

Keywords: Typed lambda calculus; Functional data objects; NoSQL databases; Relational databases; Database integration (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:spr:lnichp:978-3-030-95354-6_15

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DOI: 10.1007/978-3-030-95354-6_15

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