Database Models

Data Models – Data Models can be defined as an integrated collection or concept for describing and manipulating data, relationship b/w data, and constraints. On the data is an organisation.
Structural Part – Set of rules requires to construct Database.
Manipulation Part – Type of operation we apply to data to manipulate, access or update the data.

Object Base  Data Models
– ENTITY RELATIONSHIP  MODEL
– Object Oriented Data Models
Record Base  Data Models –
– Heirarichal Models
– Network Models
– Relational Models

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