Removing Duplicate Rows and Transforming Date Columns in SQL

Parameter Handling in Stored Procedures: A Comprehensive Guide to Simplifying Complex Logic

Understanding Many-to-Many Relationships in T-SQL Using Cross Joins, NOT EXISTS, and Anti-Left Joins

Concatenating Emails from Three Tables Using SQL Server's STUFF() Function

Updating Rows in Tables Based on Column Conditions: A SQL Solution for NULL Values Existing in Another Column

Optimizing SQL Server CTE Queries: A Delimited String Field Solution

SQL Window Functions for Aggregate Calculations with the COALESCE and MAX Approach

Evaluating Conditions for Specific IDs in Joined Tables: A Step-by-Step Guide

Optimizing SQL Queries with Outer Apply: A Solution to Retrieve Recent Orders Alongside Customer Data

Partition Orders Table by Arbitrary Start and End Day-of-Month