Using SQL SUM with CASE and OVER Clauses to Calculate Running Totals and Averages

Counting Customers by Status Per Month: Optimized Query to Exclude Days and Months with No Registrations

Retrieving Top 1 Row per Group: A Flexible Approach to Data Analysis

Query Optimization Techniques for Matching Rows Between Tables Using UNION with DISTINCT

Using INNER JOIN and SELECT DISTINCT to Eliminate Duplicates: A SQL Solution

Understanding Unicode Collation: A Key to Resolving Entity Framework 6's Unique Constraint Issues in Databases

Understanding Transactional Updates in SQL Server: A Guide to Managing Multiple Database Operations with Ease

How to Create New Views by Joining Two Existing Views with Inner Join

Rounding Values in SQL Server: A Comprehensive Guide

Understanding SQL Server's Procedure-Based Data Retrieval: A Comprehensive Guide to Creating Tables and Returning Result Sets