A tree can contain one special node called the "root" with zero or many subtrees. It may also contain no nodes at all. Every edge directly or indirectly originates from the root. The tree is always drawn upside-down, which means the root appears at the top. One parent node can have ...
Data structures are thebuilding blocks for more sophisticated applications. They're designed by composing data elements into a logical unit representing an abstract data type that has relevance to the algorithm or application. An example of an abstract data type is a customer name that's composed ...
A data structure is a format for organizing, processing, retrieving and storing data so it can be easily accessed and effectively used.
1. What is an array in data structures? An array is a data structure that stores a fixed-size collection of elements of the same data type in contiguous memory locations. Elements in an array are accessed using an index or position number. 2. What are the different types of arrays? Ther...
Recommended reading: Tree Data Structure: A Closer Look Classification of Data Structures Data structures are often categorized into two key groups: Linear and Non-linear. Now, let’s discover each data structure and its applications: Linear Data Structure In a linear data structure, data elements...
relationship (1:1, 1:N and N:M) between two entities in a database. For example, the relationship between a specific product and category can be described with a 1:N relationship — one category can be relevant for multiple products, but one specific product is related by a specific ...
Information gain:The efficiency of a tree is enhanced when it asks fewer questions before reaching an answer. Information gain measures how “quickly” a tree can achieve an answer by evaluating how much more information is learned about a piece of data at each decision node. It assesses whethe...
Data modeling is the process of creating a diagram that represents your data system & defines the structure, attributes, and relationships of your entities.
Text Mining, also referred to as text data mining, is the procedure of modifying text that is not structured into structured form in order to recognize significant patterns & the latest insights
Tree structures organize database elements into a hierarchical database of nodes in parent–child relationships that stem from one root node. Graph Graph structures organize database elements into a non-hierarchical network of nodes with complex relationships to each other.Hash...