Mastering SQL Window Functions: A Guide to Running Totals and CTEs

Optimizing Dynamic Sorting SQL Queries: A Step-by-Step Guide to Better Performance

Understanding GUIDs and Identity Functions in SQL Server: Choosing the Right Tool for Unique Instance Identification

Maximizing Database Performance: 4 Ways to Retrieve Maximum Non-Null Values

Understanding Regular Expressions for Advanced String Matching and Data Extraction Techniques

Dynamic Pivot in SQL Server: A Flexible Solution for Data Transformation

Understanding Date Ranges and Days in SQL: A Comprehensive Guide to Calculating Days Between Two Dates Using SQL

How to Retrieve Up-to-Date Non-Null Values from Columns with Missing Data Using COALESCE Functions.

Optimizing Indexing Strategies for High-Density Tables: A Guide to PK and Columnstore Indexes

Joining Tables with Aggregate Functions: Effective Use of `TOP (1)`