The three-level architecture aims to separate each user’s view of the database from the way the database is physically represented. External level: It is the view how the user views the database. The data of the database that is relevant to that user is described at this level.

DBMS LANGUAGES Data definition language (DDL) •Defines conceptual schema Storage definition language (SDL) •Specifies the internal schema View definition language (VDL)

Sam Northeast became only the ninth batter in the history of first-class cricket to score 400 runs in an innings, achieving the feat during a Division Two encounter between Glamorgan and Leicestershire during the 2022 County Championship.