Debugging is an essential process in software development and programming. It involves identifying and resolving issues, errors, and unexpected behavior in code. Here are some key reasons why debugging is necessary. Finding and fixing errors. Verifying program logic. Understanding program behavior. Optimizing performance. Testing and quality assurance. Learning and skill…

Comparing Database Powerhouses — what is MongoDB ? It is a popular open-source NoSQL (non-relational) database management system which is designed to handle large volumes of data and provide high performance, scalability, and flexibility. Let’s get into the battle⚔️ of MongoDB vs SQL. To get into more detail about mongodb, understanding the difference between…

What is formatting and is there any need for it? Formatting means to arrange something, such as material to be printed or stored data in a particular format. format() is the name of the method which helps to format the specified value, this method returns the formatted string and insert…

For those who don’t know what window function is and how it works, let’s understand it. Window function applies aggregate like sum(), avg(), count() and ranking functions rank(), dense_rank(), row_number() over a particular window i.e set of rows it is followed by OVER clause. OVER clause is used with window…

Many of us have observed that while studying sql keywords like “where” and “having” individually it must have gotten into head easily without any doubt but when we start writing queries and when these two keywords to be used together it creates confusion. If you got confused don’t worry I…