The three-level database management system (DBMS) architecture splits databases into three distinct layers: An internal DBMS schema for low-level storage tasks. A conceptual DBMS schema for logical ...

External Level another name is view level. Also it is Top Level. In here user see the data which is come from database by conceptual and internal level. User dose not need to know the database schema ...

This type of architecture, datbase is available on the client machine, dose not need to internet connect for request for data. In that case, we can easly read and write data. This type of architecture ...