Read Article on types of data model in dbms. Data Model gives us thought about how the concluding system will seem after its entire execution. ... The hierarchical Model organizes data into a ...

The conceptual data model is the highest level of abstraction, representing the overall structure and content of a database but lacking detail about the data. It contains a description of the data ...

A data model helps design the database at the conceptual, physical and logical levels. The structure of Data Model helps to define the relational tables, primary and foreign keys and stored procedures ...

Back in the 1970s, the ANSI SPARC three-tiered model arose, foreshadowing a smooth intertwining of data and architectural design. The three tiers concept isolated the physical storage needs of data ...