How to Use Distinct in SQL to Retrieve Values Without Duplicates
During your IT interview, you may be asked to use Distinct in SQL to retrieve values without having duplicates. It is one of the most common tasks related to SQL. Let us tell you the main things you...
Knowing how to create a drop down list in Excel could prove to be very useful for you IT interview. In this article, we will tell you exactly how to do that, step by step so that you can explain the...
During your IT interview, you may be asked to talk about an absolute reference in Excel. Let us tell you the main facts about absolute and relative references so that you know the difference. This...
During your IT interview, you may be asked to talk about a self join in SQL. Let us tell you the main facts about self joins so that you know exactly what to include in your answers. Take a...
So, Is Java Pass by Reference?or by Value? Contrary to the widespread misconception that in Java ?primitives are passed by value, while objects are passed by reference?, Java is a strictly pass by...
During your IT interview, you may be asked to give an example of a HTML5 video codec. Let us tell you the main facts you need to include in your answer to impress your interviewers. Take a look! What...
