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

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?

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

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
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AfterAcademy Tech

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
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AfterAcademy Tech

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
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AfterAcademy Tech

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
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AfterAcademy Tech

AfterAcademy Tech

Minimum Depth of Binary Tree - Interview Problem

Given a binary tree, find its minimum depth.  The minimum depth is the number of nodes along the shortest path from the root node down to the nearest leaf node.

08 Dec 2019
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AfterAcademy Tech

AfterAcademy Tech

Sort an array in wavy order - Interview Problem

Given an array say A having n elements, the task is to sort the array in wavy manner. In wavy manner the array is in the form where A[0] >= A[1] <= A[2] >= A[3] <= A[4] >= …..

08 Dec 2019
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AfterAcademy Tech

AfterAcademy Tech

Mastering Activation Functions in Neural Networks

In this blog, we are going to learn what is activation function and it's types. We will also learn what is a good Activation function and when to use which Activation function in Neural Network.

06 Dec 2019
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AfterAcademy Tech

AfterAcademy Tech

What is a Database Management System and how is it different from a File System?

In this blog, we will learn what is DBMS and a traditional file system. We will also dive deep and understand the problems of the file system and get to know how DBMS resolved these problems.

06 Dec 2019
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