NodaMD: Επέκταση του NoDA για Επεξεργασία Δεδομένων σε MongoDB με Χρήση Αφαιρετικού Επιπέδου

Δεϊμέζη, Ελένη

NodaMD: Extending NoDA for Data Management in MongoDB through an Abstraction Layer

Master Thesis

Author

Δεϊμέζη, Ελένη

Date

2025

Abstract

This thesis focuses on the study and extension of the research system NoDA, developed at the Department of Digital Systems of the University of Piraeus, which aims to provide unified access to NoSQL databases. As part of this work, the NodaMD extension was implemented, enabling data management in MongoDB through an abstraction layer. Insert, update, and delete operations were developed and integrated into the system’s overall architecture, allowing the execution of CRUD operations without requiring the user to directly write queries in MongoDB's native syntax. In parallel, the thesis presents the fundamental characteristics of relational databases, including their types, storage methods, and common use cases (such as OLTP and OLAP). It then provides a detailed overview of NoSQL databases, classified into categories such as document stores, key-value stores, column stores, and graph databases, followed by a comparative analysis regarding their suitability for different usage scenarios. Finally, the thesis includes usage scenarios and an evaluation of NodaMD’s functionality through practical examples, while also proposing directions for future research, including support for additional NoSQL database types and more complex query mechanisms.

Postgraduate Studies Programme

Ψηφιακά Συστήματα και Υπηρεσίες

Department

Σχολή Τεχνολογιών Πληροφορικής και Επικοινωνιών. Τμήμα Ψηφιακών Συστημάτων

Number of pages

Language

Greek

URI

https://dione.lib.unipi.gr/xmlui/handle/unipi/18272

Collections

Τμήμα Ψηφιακών Συστημάτων

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Except where otherwise noted, this item's license is described as
Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ελλάδα