Calculating Sums Based on Field Names: A Scalable Approach Using Standard SQL Techniques

How to Use RANK() Function to Solve Common Data Retrieval Problems with Window Functions

Using SQL CASE Statements to Append Asterisks to Column Values

Improving Database Functions: Combining Insert and Select Statements for Efficiency and Readability

Retrieving the Lowest Level in a Hierarchy with Boundaries: A Corrected Approach

Optimizing Read/Unread Notifications in Web Applications: A Comparative Analysis of Flat Table and Separate Tables Approaches.

Filtering Uppercase Names with Multiple Characters Using Regular Expressions

Deleting Duplicate Employee Records Excluding the Most Recent Record for Each Employee Using Window Functions

Counting Customers by Status Per Month: Optimized Query to Exclude Days and Months with No Registrations

Understanding the ORDER BY Clause and its Limitations in SQL Server when Deleting Records