Update Duplicate Data in Databases Using Self-Join and MERGE Statement

Comparing Columns to Identify Latest Date in SQL

Understanding Row Numbers and Last Dates in SQL Queries: A Comprehensive Guide

Finding Customers Who Bought Product A in Any Month and Then Purchased Product B in the Immediate Next Month Using CROSS APPLY.

Tracking User Activity in SQL Server: A Step-by-Step Guide Using Extended Events

How to Sum Columns from Two Tables with Conditions Using SQL Server

Using LEFT JOIN to Return 1 or 0 Based on Multiple Conditions

Filtering Stock Symbols Based on Price Movement in Specific Days using SQL Server

Using Common Table Expressions (CTEs) to Simplify Data Operations in SQL Server

Troubleshooting Permission Errors When Creating Databases in SQL Server 2012 Using SQL Server Authentication