The data model is a standard organize the data elements related to one to another. Because the data represent real world like as documented data model places, and things and Events. Data models define how the logical structure of a database is modeled. Models are the fundamental entities to introduce abstraction in a DBMS. The main aim of the database designing process is identify and organize the required logically data and physically data. The data model is show the what type information we contain in the database, this information how to use in the real world and the elements of the database will be related to each other.
As an example we can get as the in the scenario we can see the software company it can be get as the entity like as company the company has name and ID and the member can get as the other entity like as member the member have the name , ID ,address, qualification. So the company can be represent in the ID and name and the member represent in the name and ID so we can see this tow entity has the one-to-many relationship.
The data model is a logical database structure. The database is divided into three parts.
• Logical data model
• Conceptual data model
• Physical data model
No comments:
Post a Comment