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What are Data Models?

A model is an abstraction procedure that hides superfluous information while highlighting records pertinent to the software at hand. A data model is a technique that supports this abstraction for database functions. Data modeling is used for performing entities of interest and their relationship within the database. It permits the concept of the association between numerous entities and their attributes. Different types of Data Models are available.<br>https://www.ducatindia.com/dataanalyticsusingpython

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What are Data Models?

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  1. What are Data Models? WELCOME TO DUCAT INDIA 70-70-90-50-90 info@ducatindia.com

  2. What are Data Models? A model is an abstraction procedure that hides superfluous information while highlighting records pertinent to the software at hand. A data model is a technique that supports this abstraction for database functions. Data modeling is used for performing entities of interest and their relationship within the database. It permits the concept of the association between numerous entities and their attributes. Different types of Data Models are available.

  3. Types of Data Models

  4. Hierarchical Data Model Hierarchical Model was the first DBMS model. This model organizes the record in the hierarchical tree structure. A tree is a data architecture that consists of an order of nodes, with an individual node, known as the root, at the largest level. A node might have any number of children, but each child node may additionally have only one parent node in which it is dependent. The parent-to-child relationship in a tree is, therefore, a one-to-many relationship, but the child-to-parent is one to one. The parent-child relationship is displayed using drawing a line or edge between the parent and child nodes. For example, components 2, 3, 4 are siblings. For any node, there is an individual path, known as the hierarchical path from the root to that node. The nodes along this direction are known as that node’s ancestors. Equally, for a given node, any node along a direction from that node to leaf is referred to its descendent. The height of a tree is several levels in the deep hierarchical direction from the root to a leaf. The tree in the figure has a height of 4. A tree is stated to be balanced in every direction from the root node to a leaf that has a similar length.

  5. Hierarchical Data Model

  6. THANK YOU 70-70-90-50-90 info@ducatindia.com

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