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

Grouping SQL Query by Each n Minutes Using Read-Only Access Without Joins or Subqueries

Temporarily Changing a Timestamp Column to Insert Parked Rows in SQL Server

Understanding Conditional Logic in SQL: A Comprehensive Guide to IIF(), CASE, and More

Optimizing Parameter Passing in SQL Server Linked Servers with Recursive CTEs Using OpenQuery

Matching Product User-Defined Fields with SQL: A Step-by-Step Guide

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

Conditional Aggregation for Advanced Data Analysis Using SQL

Merging Overlapping Date Ranges in SQL Server 2014

Improving Query Performance with Composite Primary Keys in T-SQL