AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |
Back to Blog
Erwin data model interview questions3/29/2024 Represents data needed for performing business processes and operations.Contains some concepts that are not required for database implementation but are required for a business for understanding the need for features in the applications.This provides an overall overview of data structure in terms of business context.Following are the characteristics of the conceptual data model: The main purpose of this model is data organization and defining the scope and business rules. It defines what the system contains and is created by data architects and business stakeholders. Conceptual data model: This type of model focuses on high-level, abstract and users view of data representation.There are three types of data models, they are: These models subsequently become tables in the database which can be retrieved and processed based on the organization’s requirements. What is a data model? What are its types?Ī data model is an information schema that sorts and normalizes different information components and establishes relations between them. Improves the quality of data and enhances the robustness of the application.ģ.It also supports the reusability of the data models when the requirements are repetitive. Proper data modelling process helps to reduce the cost of maintenance when the system grows at a large scale.Enhances the speed of database design at conceptual, logical and physical levels.Helps to improve communication between the business intelligence and the developer teams.Ease the process of mapping data between the different processes in an organization.Improve the performance of the application and the database.
0 Comments
Read More
Leave a Reply. |