Another database model is the hierarchical. A model, in which data is organized in a tree structure, where each node can have. A multiple children. This model is useful for data with a hierarchical structure. A but can be difficult to manage for data that does not conform to this structure.
The concrete structure of the hierarchical model is an inverted tree . In this case, each record has a unique element called a node from which other records (nodes) are derived based on the information structure.
Similarly, all nodes that are at the same level are considered parent nodes, and from these other child nodes emerge.
3- Object-oriented database model
The object-oriented model presents risk managers email lists a logical structure where data is grouped in the form of objects or blocks ; therefore, tables have no place in this model. There is, however, an exception where the hybrid model incorporates tables but not as the main logical structure.
Data is represented as objects with zoho campaigns attributes and methods. This model is useful for object-based applications, but may be less efficient for complex queries involving multiple objects.
The object-oriented database model is somewhat more flexible in its structure, as it allows the inclusion of images or other multimedia gambling data formats; therefore, it is possible to process a greater volume of different types of data.
Network database model
Another type of database model is the network model, derived from the hierarchical model. The most notable feature of this type of model is that it is possible to relate one record to others or several records to several others.