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AfterAcademy Tech

Merge K Sorted Lists

Merge k sorted linked lists and return it as one sorted list.

10 Feb 2020

AfterAcademy Tech

Check if the Singly Linked List is a Palindrome-Interview Problem

Given a Linked List, your task is to find whether the given singly linked list is a palindrome or not. This is an interview problem asked in many companies like Amazon, Microsoft, Adobe, Flipkart and other big companies.

10 Feb 2020

AfterAcademy Tech

Graph Traversal: Breadth First Search

In this blog, we will learn Breadth First Search that is used for Graph Traversal i.e. the Breadth First Search is used to traverse each and every node of a graph. So, let's learn together.

10 Feb 2020

AfterAcademy Tech

Graph Traversal: Depth First Search

In this blog, we will learn Depth First Search that is used for Graph Traversal i.e. the Depth First Search is used to traverse each and every node of a graph. So, let's learn together.

10 Feb 2020

AfterAcademy Tech

What are Scalar functions?

In this blog, we will learn about some of the Scalar functions that are used in SQL.

10 Feb 2020

AfterAcademy Tech

What are aggregate functions?

In this blog, we will learn about some of the aggregate functions that are used in SQL. These aggregate functions take more than one value and return one value as a result.

10 Feb 2020

AfterAcademy Tech

What is the difference between TRUNCATE, DELETE and DROP statements?

In this blog, we will see the difference between the TRUNCATE, DELETE, and DROP statements that are used in MySQL.

10 Feb 2020

AfterAcademy Tech

What are the various types of constraints in SQL?

In this blog, we will learn various types of constraints that can be applied on a table. These constraints can be used to validate the data present in the table. We will learn about NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK, and DEFAULT

10 Feb 2020

AfterAcademy Tech

Linked List and its Properties

In this blog, we will discuss about the linear data structure called Linked Lists. We will discuss its properties, advantages, and disadvantages. So, let's get started

10 Feb 2020

AfterAcademy Tech

Divide & Conquer vs Dynamic Programming

Divide and Conquer and Dynamic Programming are two most used problem-solving skills in Data Structures. In this blog, we will see the similarities and difference between Dynamic Programming and Divide-and-Conquer approaches.

10 Feb 2020