Calculating User Retention with SQL and Amazon Redshift: A 7-Day Analysis Strategy

Migrating SQL Server Queries to Redshift: A Deep Dive into Outer Apply and Left Join Conversions

Using Window Functions for Conditional Summing: A Deeper Dive into SQL Querying with PARTITION BY and OVER Clauses

Calculating Customer Re-Order Percentage in SQL Using Lag Function and Case Logic.

Retrieving the Current Year from Amazon Redshift: A Step-by-Step Guide

Calculating Cumulative Counts Over Time with a Starting Value: A SQL Solution Using Window Functions and CTEs

Grouping Rows Based on a Consecutive Flag in SQL (Redshift) for Time-Series Data Analysis

Optimizing Large JOINs: Overcoming the Challenge of Referencing Fields from Sub-Queries

Calculating Time Spent in a Session Using SQL Queries