Hierarchical model in DBMSIn hierarchical model, data is organized into a tree like structure with each record is having one parent record and many children. The main drawback of this model is that, it can have only one to many relationships between nodes.Note: Hierarchical models are rarely used now.Sample Hierarchical Model Diagram: Lets say we have few students and few courses and a course can be assigned to a single student only, however a student take any number of courses so this relationship becomes one to many.

Question

Hierarchical model in DBMSIn hierarchical model, data is organized into a tree like structure with each record is having one parent record and many children. The main drawback of this model is that, it can have only one to many relationships between nodes.Note: Hierarchical models are rarely used now.Sample Hierarchical Model Diagram:  Lets say we have few students and few courses and a course can be assigned to a single student only, however a student take any number of courses so this relationship becomes one to many.

Lalitesh sharma · Accepted Answer

Hierarchical model in DBMSIn hierarchical model, data is organized into a tree like structure with each record is having one parent record and many children. The main drawback of this model is that, it can have only one to many relationships between nodes.Note: Hierarchical models are rarely used now.Sample Hierarchical Model Diagram:  Lets say we have few students and few courses and a course can be assigned to a single student only, however a student take any number of courses so this relationship becomes one to many.

In a Hierarchical model records are organized as

Organizations have hierarchical structures because

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How many colors in rainbow?

Which of the following is not a type of database?

Which of the following is not an example of DBMS?

Which of the following is a feature of DBMS?

Which command is used to remove a relation from an SQL?

___________ operations do not preserve non-matched tuples.

Which forms have a relation that contains information about a single entity?

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