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Farmers running down road with query performance train.

SQL SERVER Performance: When MAXDOP = 1 Slowed Down the Entire Business

July 25, 2025
Pinal Dave
SQL Performance
Comprehensive Database Performance Health Check, MAXDOP, SQL CPU, SQL Wait Stats

Slow reports, slow transactions, and the internal team could not find why. In this case study, MAXDOP = 1 was quietly slowing down the entire business.

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Degree of Parallelism

SQL Server 2022 – Degree of Parallelism (DOP) Feedback for Optimize Query Performance

June 26, 2023
Pinal Dave
SQL Performance
Compatibility Level, MAXDOP, Parallel, Query Store, SQL CPU, SQL DMV, SQL Server 2022, SQL Server Configuration

SQL Server 2022 introduces a powerful new feature called Degree of Parallelism (DOP) feedback as part of the Intelligent Query Processing (IQP).

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parallel index operations

Configuring Parallel Index Operations in SQL Server

May 31, 2023
Pinal Dave
SQL Performance
MAXDOP, SQL CPU, SQL Index

Configuring parallel index operations in SQL Server can significantly impact query performance and scalability. During my popular service, we discuss.

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Configure MAXDOP

3 Ways to Configure MAXDOP – SQL in Sixty Seconds #166

May 20, 2021
Pinal Dave
SQL Video
MAXDOP, SQL CPU, SQL in Sixty Seconds

We will see a quick SQL in Sixty Seconds video and scripts used in the video to change MAXDOP. Let us watch 3 Ways to Configure MAXDOP. 

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3 different

SQL SERVER – 3 Different Ways to Set MAXDOP

November 11, 2020
Pinal Dave
SQL Performance
MAXDOP, SQL CPU, SQL Scripts, SQL Server, SQL Server Configuration

I got lots of emails about how to set MAXDOP for any query. Today we will be learning 3 different ways to set MAXDOP. Let us learn it today.

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Illustrated cover: Stream vs Hash Aggregate

SQL SERVER – Stream Aggregate and Hash Aggregate

February 17, 2020
Pinal Dave
SQL Performance
Execution Plan, MAXDOP, Parallel, Query Hint, SQL Group By, SQL Operator, SQL Server Management Studio

Recently during the on-demand consultation, I was asked a very interesting question about Stream Aggregate and Hash Aggregate.

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dynamics

SQL SERVER – Best Practices for Dynamics NAV AX CRM

February 5, 2020
Pinal Dave
SQL Performance
MAXDOP, SQL CPU, SQL Index, SQL Scripts, SQL Server, SQL Statistics, SQL TempDB

In the last 3 months, I have done nearly 11 consulting engagement for Dynamics NAV AX CRM while working on Comprehensive Database Performance Health Check.

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