Latest Articles
Install MongoDB on Rocky Linux 8.4 (Step-by-Step)
In this tutorial we will cover the steps to install MongoDB on Rocky Linux.
Python lambda function - with simple examples
Python Lambda is also known as an anonymous function because of its anonymous behavior. It can take any number of arguments but only one expression.
LEFT OUTER JOIN in SQL: Syntax, Examples, and NULL Handling
Learn how SQL LEFT OUTER JOIN works with clear examples, output, NULL handling, and common mistakes that cause unexpected results.
SQL LEFT JOIN Explained with Practical Examples
The SQL LEFT JOIN clause allows you to query data from multiple tables. It returns all rows from the left table and the matching rows from the right table.
Python Pandas Tutorial
Standard python distribution does not come with pandas. We have to manually install pandas in our local environment. We can use pip to install python pandas