Shulou(Shulou.com)06/01 Report--

This article mainly introduces what the concept of data model in the database refers to, has a certain reference value, friends who need can refer to it. I hope you will learn a lot after reading this article. Next, let the editor take you to learn about it.

The concept of the data model in the database is that the data model is the abstraction of the data features, which describes the static characteristics, dynamic behavior and constraints of the system from the abstract level. The classification of data model: 1, conceptual data model; 2, structural data model.

The concept of a data model:

Data model (Data Model) is the abstraction of data features, which describes the static characteristics, dynamic behaviors and constraints of the system from the abstract level, and provides an abstract framework for the information representation and operation of the database system.

Classification of data models:

The most commonly used data models are conceptual data model and structural data model:

1. Conceptual data model (information model): user-oriented, modeled according to the user's point of view, typical representative: Emurr diagram

2. Structural data model: computer system-oriented, for the implementation of DBMS, typical representatives are: hierarchical model, mesh model, relational model, object-oriented model.

Thank you for reading this article carefully. I hope the editor can share what the concept of data model in the database refers to is helpful to everyone. At the same time, I also hope you can support us, pay attention to the industry information channel, and find out if you have any problems. detailed solutions are waiting for you to learn!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.