Data modeling is the process of visually creating a graphical representation of a system or database. In the case of relational databases, we can mention the creation of entity-relational diagrams in which entities, attributes and relationships between entities are displayed. (Read more information about ER diagrams).
Advantages of data modeling
Fewer design and development errors
Easy and fast design, especially in the early stages of development
Better communication between team members
Lower development costs
and many others
MongoDB schema design and noSQL database modeling
But what is the advantage of data modeling when we talk about noSQL databases?… Read the rest
In Moon Modeler, you can easily design MongoDB database structures and generate scripts for schema validation. Many schema validation rules are accessible directly in the user interface, and additional rules can be defined textually.
Let’s see how to set the validation to the minimum and maximum value, for example. As an example, let’s use the “students” collection, in which we have defined the fields “name“, “year” and “major“.… Read the rest