A database is defined as a structured combination of data or records stored in a computer system. According to the database model, all the data has been organized in a well systematic manner. Basically, three types of models are there, used explicitly for representing relationships, they are:
- Relational model
- Network model
- Hierarchical model
Now days, relational model is the most common type of model used. The computer database depends on particular software for organizing the storage and management of data. The software is termed as DBMS that stands for data base management system. Further, DBMS is categorized in accordance with the database model. Database is widely acknowledged for storing large multi user applications, where coordination between them is required.
