Category:

Misconceptions

Misconceptions Performance
The hidden costs of heaps in SQL Server

by Vlad Drumea December 30, 2025

by Vlad Drumea December 30, 2025 2 comments 23 minutes read

In this post I cover some unpleasant side-effects of using heaps in SQL Server for anything else than staging tables. In the past couple of months I’ve been running into …

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Misconceptions SQL Server
No, SQL Server CTEs do not store results

by Vlad Drumea July 27, 2025

by Vlad Drumea July 27, 2025 0 comments 7 minutes read

There’s this weird misconception floating around LinkedIn and reddit that SQL Server CTEs somehow store results in either memory or tempdb. This is wrong and whoever states that CTEs store …

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Misconceptions

The hidden costs of heaps in SQL Server

No, SQL Server CTEs do not store results