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Introduction to Databases|Ch#1 Lec. 6|Fa/FSc.II #dbmodel #network#relational#hierarchical#online

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In this online video, Yousra Asim discusses different types of database models.
1. Network model
2. Hierarchical model
3. Relational model
A network model is a database model that is designed as a flexible approach to representing objects and their relationships. A unique feature of the network model is its schema, which is viewed as a graph where relationship types are arcs and object types are nodes.
A hierarchical database is a data model in which data is stored in the form of records and organized into a tree-like structure, or parent-child structure, in which one parent node can have many child nodes connected through links.
The relational model (RM) for database management is an approach to managing data using a structure and language consistent with first-order predicate logic, first described in 1969 by English computer scientist Edgar F. Codd, where all data is represented in terms of tuples, grouped into relations.
#databasemodel #network#relational#hierarchical#online
Please watch the full video for their explanation.
Delivered by:
------------------------
Yousra Asim
A.P. Computer Science
Higher Education Department
1. Network model
2. Hierarchical model
3. Relational model
A network model is a database model that is designed as a flexible approach to representing objects and their relationships. A unique feature of the network model is its schema, which is viewed as a graph where relationship types are arcs and object types are nodes.
A hierarchical database is a data model in which data is stored in the form of records and organized into a tree-like structure, or parent-child structure, in which one parent node can have many child nodes connected through links.
The relational model (RM) for database management is an approach to managing data using a structure and language consistent with first-order predicate logic, first described in 1969 by English computer scientist Edgar F. Codd, where all data is represented in terms of tuples, grouped into relations.
#databasemodel #network#relational#hierarchical#online
Please watch the full video for their explanation.
Delivered by:
------------------------
Yousra Asim
A.P. Computer Science
Higher Education Department
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