Finding Duplicate Records in a Database: A Comprehensive Approach

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

Delete Records from a Table Based on Count and Latest Record

Using Listagg() to Append Duplicate Records in Oracle SQL

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

SQL Aggregation with Inner Join and Group By: Correcting Query Issues

Optimizing Time Duration Data Retrieval Using GROUP_CONCAT in MySQL

Retrieving Maximum Values: Sub-Query vs Self-Join Approach

Aggregating Count Data with R's data.table Package