Cardinality Estimator

Technical Article

Cardinality Estimation Feedback in SQL Server 2022

  • Article

Cardinality estimation (CE) is a process used by the query optimizer to estimate the number of rows returned by a query or sub-part of a query. These estimates rely on two underlying things: statistics about the data and a set of assumptions—known as the model.

You rated this post out of 5. Change rating

2023-12-06

Blogs

Introducing azsql-migration-test: Test and Validate Azure SQL Database Migrations

By

Introducing azsql-migration-test, a small open-source CLI that validates your Azure SQL Database migrations against...

Rambling about Data on Wheels – origins, branding, expansion

By

I have been asked many times about how the name “Data on Wheels” came...

Think Twice Before Enabling Fabric’s Inbound Network Protection

By

Fabric inbound network protection involves two tenant-level controls: Private Link and Block Public Internet...

Read the latest Blogs

Forums

Make It Routine

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Make It Routine

DBCC CHECKDB Limits III

By Steve Jones - SSC Editor

Comments posted to this topic are about the item DBCC CHECKDB Limits III

CROSS APPLY Fundamentals: Part 1

By Imran2629

Comments posted to this topic are about the item CROSS APPLY Fundamentals: Part 1

Visit the forum

Question of the Day

DBCC CHECKDB Limits III

On SQL Server 2025, does DBCC CHECKDB support Memory-Optimized tables?

See possible answers