Separating Overlapping Columns in Sales Reports Using SSMS and Excel.

Calculating Total Counts in SQL Queries: A Step-by-Step Guide

Combining Two Selects into One: A SQL Server Optimization Technique for Improved Performance

Understanding the Risks of Dynamic Queries in SQL Server: Best Practices for Safe Coding

Extracting Dates Between Start and End Date That Correspond to Specific Days of the Week: A Comprehensive Guide

Handling Duplicate Data: SQL INSERT INTO with SELECT Statement Using Window Functions

Database Schema Design Considerations for Large Tables with Grouping and Ordering: A Step-by-Step Guide to Efficient Performance and Data Integrity

Optimizing Data Retrieval: Selecting Latest Values per Day Using Outer Apply in SQL Server

Fixing the Mysterious Case of Cannot-Update-DateTime Table: A Guide to Safe Datatype Specifications and Parameterized Queries.

Advanced Querying with Window Functions: Selecting Data based on Previous 5 Days