Database : database can be defined as a collection of information stored at a particular place written in a predetermined manner, belongs to a particular topic. DBMS: (DATA BASE MANAGEMENT SYSTEM): it is defined as software which is present inside the database which is used o maintain or manage the data within the database . In the above diagram, if the user needs any info from the database. He has to contact with dbms , then the dbms goes to the database, takes the information from the database and gives it back to the user. Database models : these models are broadly divided into the following types: 1. FMS/FDMS 2. HMS/HDMS 3. NDBMS 4. RDBMS 5. ...
