Videos (507) - Page 2

C# Interview Questions - What is IEnumerable and when to use it in C# ? 

In this video we will look into the concepts of IEnumerable Interface, when and where we can use IEnumerable in CSharp.

Abstraction VS Abstract Classes (C# Interview Question). 

This video explains what exactly is Abstraction & Abstract Class in C# with code demo. Will also show how you can answer to this question in your interview.

Top 20 MySQL Interview Questions & Answers (for beginners & experts) 

Q1 : Explain Normalization & Denormalization? Q2 : Explain 1st,2nd and 3rd Normal Form in MYSQL Database Normalization? Q3 : Primary Key vs Foreign Key? Q4 : Primary Key vs Candidate Key vs Unique Key? Q5 : What is a trigger? How you can create a trigger in MYSQL? Q6 : Explain Transactions and How to Implement it in MYSQL? Q7 : What is an index? How can an index be declared in MYSQL? Q8 : What is the view? How can you create and drop view in MYSQL? Q9 : Explain Inner Join? Q10 : Explain Left Join? Q11 : Explain Right Join? Q12 : Explain Cross Join? Q13 : MYSQL Union vs Union All? Q14 : What are MYSQL Aliases? Q15 : Explain MYSQL Subquery? Q16 : Blob vs Text data types in MYSQL? Q17 : CHAR vs VARCHAR data types? Q18 : What are the differences between InnoDB and MyISAM engines? Q19 : What are some of the common MYSQL COMMANDS? Q20 : What are aggregate functions in MYSQL?

35 Important JavaScript Interview Questions and Answers 

This video is meant for freshers as well as developers, covering top questions for Javascript interview preparation - Question 1:- Why do we call javascript as dynamic language? Question 2:- how does javascript determine data types ? Question 3:- What is typeof functions? Question 4:- How to check data type in javascript ? Question 5:- What are different datatypes in Javascript ? Question 6:- Explain Undefined Data types ? Question 7:- What is Null ? Question 8:- Differentiate between Null and Undefined ? Question 9:- Explain Hoisting ? Question 10:- Are Javascript initialization hoisted ? Question 11:- What are global variables ? Question 12:- What are the issues with Global variables ? Question 13:- What happens when you declare variable with out VAR ? Question 14:- What is Use Strict ? Question 15:- How to force developers to use Var keyword ? Question 16:- How can we handle Global Variables ? Question 17:- How can we avoid Global variables ? Question 18:- What ...

PHP Interview Questions and Answers (for beginners and experienced) 

This video covers "20 PHP Interview Questions" along with answers based on "Frequently Asked Questions" in the Interview. It will also guide on how to present your answers to create great impact on the interviewer. Below PHP questions are answered with important points and practical demos :- Question 01 :- What is PHP? Question 02 :- Advantages of using PHP? Question 03 :- What are popular frameworks in PHP? Question 04 :- What are popular Content Management System (CMS) in PHP? Question 05 :- What is the difference between "echo" and "print" in PHP? Question 06 :- How a variable is declared in PHP? Question 07 :- What is the difference between $message and $$message? Question 08 :- How to write JavaScript in PHP? Question 09 :- How show Javascript alert with PHP variable? Question 10 :- What is the difference between JavaScript and PHP? Question 11 :- How to show PHP errors on the same page? Question 12 :- What is the most used method for hashing passwords in PHP? Ques ...

Key Points to remember for clearing Power BI Interview. 

This video describes key points and pre-requisites which apply to both freshers and experienced candidates who are preparing for their Power BI Interview.

C# OOPS Interview Questions with Answers 

This video will be demonstrating Top 25 OOPs Interview Questions and answers - Question 01 :- Why do we need OOP? Question 02 :- What are the important pillars in OOP? Question 03 :- What is a Class and Object ? Question 04 :- Abstraction VS Encapsulation ? Question 05 :- Explain Inheritance ? Question 06 :- Explain Virtual Keyword ? Question 07 :- What is Overriding ? Question 08 :- Explain Overloading ? Question 09 :- Overloading VS Overriding ? Question 10 :- What is Polymorphism ? Question 11 :- Can Polymorphism work without Inheritance ? Question 12 :- Explain Static VS Dynamic Polymorphism ? Question 13 :- Explain Operator Overloading ? Question 14 :- How to do Custom Operator Overloading ? Question 15 :- Why do we need Abstract Classes ? Question 16 :- Are Abstract methods Virtual ? Question 17 :- Can we create an instance of Abstract Classes ? Question 18 :- Is it compulsory to implement Abstract Methods ? Question 19 :- Why simple base class cannot replace A ...

Top 10 Power BI Interview Questions and Answers. 

In this video we will run through some important questions with sub questions of Power BI with examples :- Question 1 :- What are Calculated columns ? - Where can calculated columns be created in power bi? Question 2 :- What are calculated measures in power bi - Where can calculated measures be created in power bi? Question 3 :- Difference between Calculated Column and Measure in Power bi? Question 4 :- What are M codes in power bi - Where Can You Write Power Query M Code? Question 5 :- What are Parameters in Power bi? Question 6 :- What is Power BI data gateway? Question 7 :- Do we need data gateway for schedule refresh in Power bi? Question 8 :- What is Query Folding in Power bi? Question 9 :- What is the use of Split function in power bi? Question 10 :- Difference between visual level, page level and report level filters in power bi?

Find nth highest salary in SQL server Interview Question| Find 2nd,3rd Highest salary 

Find nth highest salary in SQL server Interview Question

SQL Server Interview Questions & Answers(for freshers & experienced). 

This 1 hour of video will help you prepare for SQL Interview for most asked SQL Server questions which are summarized below :- Question 1 :- Explain normalization ? Question 2 :- How to implement normalization ? Question 3 :- What is denormalization ? Question 4 :- Explain OLTP vs OLAP ? Question 5 :- Explain 1st,2nd and 3rd Normal form ? Question 6 :- Primary Key vs Unique key ? Question 7 :- Differentiate between Char vs Varchar ? Question 8 :- Differentiate between Char vs NChar ? Question 9 :- Whats the size of Char vs NChar ? Question 10 :- What is the use of Index ? Question 11 :- How does it make search faster? Question 12 :- What are the two types of Indexes ? Question 13 :- Clustered vs Non-Clustered index Question 14 :- Function vs Stored Procedures Question 15 :- What are triggers and why do you need it ? Question 16 :- What are types of triggers ? Question 17 :- Differentiate between After trigger vs Instead Of ? Question 18 :- What is need of ...

Important ASP.NET Interview Questions & Answers on Dependency Injection. 

This video is demonstrating top 5 ASP.NET Interview Questions with sample answers around Dependency Injection(DI) :- Q1. What is need of Dependency Injection? Q2. Explain Inversion of Control (IOC). Q3. Benefits of Dependency Injection. Q4. Scoped vs Transient vs Singleton. Q5. When should we use what?

Angular with MVC Core using EF and SQL Server Training. 

In this live training we discussed on Angular pre-requisite - Node, NPM, Closures, IIFE and Typescript.