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Conditional Aggregation Techniques for Data Analysis: Grouping by Date and Calculating Various Metrics

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Updating Excel Lists with Data from Databases: A Powerful Approach Using Power Query and VBA Macros

SQL Pivot Table: Replacing Special Characters in a String with Multiple Methods

How to Use SQL Server Pivot Clause with Count: A Step-by-Step Guide

Pivoting a Table Without Using the PIVOT Function: A Deep Dive into SQL Solutions

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How to Use BigQuery's New PIVOT Function for Dynamic Pivot Tables