Optimizing Queries for Three Tables: An Efficient Solution Using Common Table Expressions

Overcoming Postgres JSON Agg Limitation Workarounds: Flexible Solutions for Aggregating JSON Data

Calculating DATEDIFF on "Non-Valid" Columns in SQL Server 2008: A Step-by-Step Solution

Optimizing SQL Server Queries: Efficient Updates and Retrievals with the OUTPUT Clause

How to Delete Every Nth Row from a Result Set Using SQL Window Functions and Computed Index Columns

Deleting Duplicated Rows Using Common Table Expressions (CTE) in SQL Server

How to Master Recursive Querying with Common Table Expressions (CTEs) in SQL Server

Unraveling Recursive Common Table Expressions (CTEs) and Window Functions for Hierarchical Data Analysis in SQL Server