When working with large datasets in SQL, you may often need to retrieve only the first row of each group based on a specific column. For example, you might want to fetch the earliest order for each customer, the highest-paid employee in each department, or the latest transaction per user. ... Read More

In Git, local and remote repositories work together to manage and collaborate on code. A local repository is a copy of a Git repository that resides on your local machine and a remote repository is a copy of the Git repository hosted on a remote server or a cloud-based service ... Read More