Understanding SQL Server LIKE with Square Brackets and Hyphens: Mastering the $[...]$ Syntax

How to Add a New Column to an Existing SQL Query for Enhanced Data Analysis and Reporting

Optimizing Data Aggregation: Two Approaches to Exclude Previously Counted Records

Understanding the Power of sp_who2: Unlocking Deep Insights into SQL Server Sessions and Connections

Inserting Data from a Subquery into a New Table Using the INSERT INTO SELECT Statement