What Exactly Is a CTE in T-SQL? A Comprehensive Guide with 7 Examples
Learn how to use CTEs through the use of a number of examples.
2023-10-20
10,310 reads
CTE
CTE in SQL Server Examples
In this article we cover what a Common Table Expression CTE is and how to write a CTE for doing selects, inserts, deletes, updates and more.
2021-06-02
Navigating Trees With CTE
Introduction This article shows how common table expressions (CTE) in SQL Server are naturally suited for navigating trees, such as finding its longest path, or diameter. Recall that a tree is an undirected graph where unique paths exist between any two nodes (i.e. vertices). Any node may be selected as its top node, with its […]
2021-04-19
8,096 reads
A Solution for the Bin Packing Problem
A detailed description of a technique for the the solution of the Bin Packing Problem, that involves a recursive CTE and Window functions
2020-05-14 (first published: 2020-04-23)
5,709 reads
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SQL Server 2025 Query Performance Tuning: Troubleshoot and Optimize Query Performance
Comments posted to this topic are about the item SQL Server 2025 Query Performance...
Is it uncommon for Dev's to have a data model of the source data
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ROLLUP to calculate Month total for all Categories
Good Afternoon, I have built a table with four columns: Period(Month), Category, Numerator, Denominator....
Question of the Day
Creating JSON I
On SQL Server 2025, what happens when I run this code:
SELECT JSON_OBJECTAGG( 'City':'Denver') GOSee possible answers