Unleash the Power of SQL Pivot and Unpivot: A Complete Guide to Data Transposing Techniques
Data manipulation is an essential skill for anyone working with SQL databases. It allows you to...
Grouping Data using the OVER and PARTITION BY Functions
The OVER and PARTITION BY functions are both functions used to portion a results set according to specified criteria. This article explains...
Methods to Rank Rows in SQL Server: ROW_NUMBER(), RANK(), DENSE_RANK() and NTILE()
SQL Server provides us with a number of window functions that help us to perform calculations across a set of rows, without the need to...
