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Data model | Web Scraping Tool | ScrapeStorm

2023-11-24 13:30:35
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Abstract:Data model is a structured representation of data that describes the relationships between data, its properties, and how it is organized, stored, and manipulated. ScrapeStormFree Download

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Introduction

Data model is a structured representation of data that describes the relationships between data, its properties, and how it is organized, stored, and manipulated. Data models are used to understand the nature of data and provide guidance for database design, information systems development, and data analysis.

Applicable Scene

Data models play an important role in database design. It helps database administrators and developers define data structures, relationships, and constraints to ensure the validity and consistency of data storage and retrieval. Data integration and ETL (extract, transform, load) processes can use data models to map data from various data sources, perform transformation operations, and load data into target systems.

Pros: A data model provides an abstract representation of data, making it easier for users to understand the nature of the data without paying attention to the underlying technical details. In database design, data models provide clear direction and help build efficient database structures.

Cons: Creating and maintaining complex data models requires time and resources, which can increase project costs. Careful modeling and documentation is required, as improper data modeling can lead to ambiguity and inaccurate data interpretation.

Legend

1. Process and data modeling.

2. Data modeling.

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Reference Link

https://en.wikipedia.org/wiki/Data_model

https://www.techtarget.com/searchdatamanagement/definition/data-modeling

https://www.gooddata.com/blog/what-a-data-model/

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