Optimizing MySQL COUNT Function Queries with Effective Index Usage

Counting Occurrences with Exclude Criteria Using Window Functions and Aggregation in SQL

How to Use Conditional Aggregation to Simplify Complex Queries in MySQL

Counting Distinct IDs for Each Day within the Last 7 Days using SQL

Using Joins for Better Performance When Counting Words Across Two Tables

Finding Tie Values in SQL Server: A Comprehensive Guide to Identifying Tied Scores Using Aggregation and Window Functions

Displaying Zero Records for Different Conditions Using SQL Server Conditional Logic Techniques