statistics (data)

External Article

Statistics on Ascending Columns

  • Article

It comes as rather a shock to find out that one of the commonest circumstances in an OLTP database, an ascending primary key with most querying on the latest records, can throw the judgement of the Query Optimiser to the extent that perfomance nose-dives. Fabiano Amorim once again dons snorkel and goggles to explore the murky depths of execution plans to find out why.

2011-09-16

2,528 reads

External Article

13 Things You Should Know About Statistics and the Query Optimizer

  • Article

Fabiano launches into a sound technical explanation of the way that the query optimiser works in SQL Server with a mention of Brazilian Soccer stars and young ladies on Copacabana beach. You'll never quite think of statistics, execution plans, and the query optimiser the same way again after reading this, but we think you'll understand them better.

2010-02-02

5,853 reads

Blogs

Fabric as a Data Mesh Enabler: Rethinking Enterprise Data Distribution

By

For decades, enterprises have approached data management with the same mindset as someone stuffing...

Truncate Table Pitfalls

By

 Truncate Table Pitfalls Truncating a table can be gloriously fast—and spectacularly dangerous when used carelessly....

dataMinds Connect 2025 – Slides & Scripts

By

You can find all the session materials for the presentation “Indexing for Dummies” that...

Read the latest Blogs

Forums

Technological Dinosaurs or Social Dinosaurs?

By Grant Fritchey

Comments posted to this topic are about the item Technological Dinosaurs or Social Dinosaurs?

DBCC CHECKIDENT

By Steve Jones - SSC Editor

Comments posted to this topic are about the item DBCC CHECKIDENT

Distributed Availability Group Health: T-SQL and Zabbix

By Pablo Echeverria

Comments posted to this topic are about the item Distributed Availability Group Health: T-SQL...

Visit the forum

Question of the Day

DBCC CHECKIDENT

What is returned as a result set when I run this command without a new seed value?

See possible answers