Explain the different levels of data abstraction in DBMS?

1.	Explain the different levels of data abstraction in DBMS?
Answer» Levels of Database Abstraction – (1) Physical Level (Lowest Level) – It describes how the data is actually stored in the storage medium. (2) Logical Level (Next Higher Level) – It describes what data are stored in the database. (3) View Level (Highest level) – It is closest to the users. It is concerned with the way in which the individual users view the data.

Answer»

Levels of Database Abstraction –

(1) Physical Level (Lowest Level) – It describes how the data is actually stored in the storage medium.

(2) Logical Level (Next Higher Level) – It describes what data are stored in the database.

(3) View Level (Highest level) – It is closest to the users. It is concerned with the way in which the individual users view the data.

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