Using Aggregate Functions and Joining Tables to Find Matching Department Hires

SQL Transposition: Moving Values to New Columns Based on Conditions

How to Handle Multiple Values for Aggregate Functions in Oracle SQL: A Step-by-Step Guide

Finding Duplicate Records in a Database: A Comprehensive Approach

Filtering SQL Result by Condition to Receive Only One Row per Customer for Each Product Type.

Optimizing SQL Queries for Multiple Columns: A Simplified Approach Using MAX and LIMIT

Conditional Aggregation Solution for All Statuses as 1