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Systematic Review Article

Schema Extraction in NoSQL Databases: A Systematic Literature Review

Author(s): Saad Belefqih*, Ahmed Zellou and Mouna Berquedich

Volume 17, Issue 8, 2024

Published on: 15 December, 2023

Article ID: e151223224559 Pages: 13

DOI: 10.2174/0126662558273437231204061106

Price: $65

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Abstract

Introduction: Nowadays, NoSQL databases have taken on an increasingly important role in the storage of massive data within companies. Due to a common property called schema-less, NoSQL databases offer great flexibility, particularly for the storage of data in different formats. However, despite their success in data storage, schema-less databases are a major obstacle in areas requiring precise knowledge of this schema, especially in the field of data integration.

Method: This study presents a Systematic Literature Review (SLR) to explore, evaluate, and discuss relevant existing research and endeavors using novel schema extraction approaches. Furthermore, we conducted this study using a well-defined methodology to examine and study the problem of schema extraction from NoSQL databases.

Results: Our research results highlight and emphasize the scheme extraction approaches and provide knowledge to researchers and practitioners by proposing schema extraction approaches and their limitations, which contributes to inventing new, more efficient approaches.

Conclusion: In our future work, inspired by the recent advances in quantum computing and the emergence of post-quantum cryptography (PQC), we aim to propose a schema extraction approach that blends cutting-edge technologies with a strong focus on database security.

Keywords: Schema-less, NoSQL databases, schema extraction, schema inference, schema versioning, data integration.

Graphical Abstract

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