In this DBMS tutorial we are going to discuss about architecture of Database Management System (DBMS), also called as three-level architecture. Database Management System (DBMS) architecture is used to distinguish between the physical database and user applications. Let's see the different levels of Architecture.
Also read :
Also read :
Physical Level
Also known as Internal Level. It basically describes how actually the data is stored. The reason why it is called internal level is, it has an internal schema which shows the physical storage of database. This is the first level of DBMS Architecture.
Conceptual Level
This is the second level of DBMS Architecture. It has conceptual schema which describes how the data is shown to the community users.
View Level
Also known as External Level. This is the third and highest level of DBMS architecture. As it is view level, it includes how the data is viewed to each individual i.e. user.
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