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AfterAcademy Tech

Divide and Conquer Approach in Programming

In this blog, we will go into the insights of the famous problem-solving approach Divide and Conquer. We will discuss problems like binary search, merge sort and also implementation issues that can come in this approach.

16 Dec 2019

AfterAcademy Tech

What is relational algebra?

In this blog, we are going to learn about various operations that are available in relational algebra and how they are going to help us to retrieve the data from the database with the help of examples.

16 Dec 2019

AfterAcademy Tech

What is a network and what are the nodes present in a network?

In this blog, we will mainly learn about a computer network and its node. We will also cover the classification, goals, and applications of a computer network.

16 Dec 2019

AfterAcademy Tech

What is Data Integrity?

In this blog, we are going to learn what is data integrity. We will also learn that why data integrity is important and how we can achieve it using various integrity constraints.

13 Dec 2019

AfterAcademy Tech

What is Data Abstraction in DBMS and what are its three levels?

In this blog, we will learn about data abstraction and how it achieved using its three levels. We will learn the working of all the three levels of data abstraction.

12 Dec 2019

AfterAcademy Tech

What is recursion in programming?

Using recursion, certain problems can be solved quite easily. Several algorithms design techniques and data structures are based on recursive thinking.

12 Dec 2019

AfterAcademy Tech

Kth Largest Element in a BST-Interview Problem

Given a Binary Search Tree, find the Kth Largest element in the given tree.

11 Dec 2019

AfterAcademy Tech

What is Data Model in DBMS and what are its types?

In this blog, we will learn about various data models present in DBMS. We will also learn about various types of data models present along with advantages and disadvantages of each model.

11 Dec 2019

AfterAcademy Tech

Invert a Binary Tree - Interview Problem

Given a binary tree, invert the binary tree and return it. An inverted form of a Binary Tree is another Binary Tree with left and right children of all non-leaf nodes interchanged. You may also call it the mirror of the input tree.

10 Dec 2019

AfterAcademy Tech

What is the difference between DBMS and RDBMS?

In this blog, we will learn what is RDBMS and how it is different from DBMS. People often use these words intechangeably. But there is a difference between these two terms. So, let's learn how.

10 Dec 2019