Counting Distinct Records in SQL Databases Using GROUP BY, HAVING, and DISTINCT

Unlocking Performance with Indexes: Using Clustered Columnstore Indexes in SQL Server Queries

Understanding PATINDEX in SQL Server: A Guide to Searching Six Continuous Numeric Values

Creating Aliases in SQL Server: Choosing Between Grouping Sets and UNION ALL

Using Boolean Logic to Filter Queries in SQL: A Comprehensive Guide

Incrementing Dates by One Year Using DateTime Banding Techniques in SQL

Using Regular Expressions in SQL Queries: A Practical Guide for Extracting Insights From Large Datasets

Retrieving Latest Records from Multiple Tables Using SQL Server Sub-Queries and Joins

SQL Server 2008 Attendance Report for Every Day of a Month

Fixing SQL Server Errors with Dynamic Pivot Tables Using the STUFF Function