What does relational database mean?

The editor will share with you what relational database refers to. I hope you will gain a lot after reading this article. Let's discuss it together.

Relational database is a database based on relational model, which deals with the data in the database with the help of mathematical concepts and methods such as set algebra. All kinds of entities in the real world and the relationships between them are represented by relational models.

The relation model was first put forward by Edgar Cod in 1970 and cooperated with the Twelve laws of Cod. Although there are some criticisms of this model nowadays, it is still the traditional standard of data storage.

The standard data query language SQL is a language based on relational database, which performs the retrieval and operation of data in relational database. The relational model consists of three parts: relational data structure, relational operation set and relational integrity constraints.

To put it simply, a relational database is a database composed of multiple two-dimensional row and row tables that can be connected to each other.

After reading this article, I believe you have a certain understanding of what relational database refers to. You want to know more about it. Welcome to follow the industry information channel. Thank you for your reading!