Microsoft SQL Server Consultant
Blog posts relating to SQL Performance Tuning.
SQL Server tuning is the process of optimizing the database’s configuration, queries, and infrastructure to ensure the system runs as efficiently as possible. The goal is to reduce resource usage, increase query speed, and improve overall system responsiveness. Performance tuning involves analyzing server performance metrics, identifying bottlenecks, and implementing solutions that range from hardware upgrades to query rewriting. These optimizations are crucial for maintaining a smooth user experience and supporting business-critical applications.
A key aspect of performance tuning is query optimization. Poorly written SQL queries, missing indexes, or incorrect indexing strategies often lead to slow query execution. By using tools such as execution plans and SQL Profiler, DBAs can identify and correct inefficiencies in SQL code. Techniques like index tuning, query rewriting, and partitioning can drastically reduce query execution times. Regularly updating statistics and reorganizing or rebuilding indexes further enhances query performance and ensures accurate query plans.
Beyond queries, performance tuning also focuses on the SQL Server environment itself. Configuring server settings, adjusting memory allocation, and fine-tuning I/O operations play a significant role in optimizing database performance. Monitoring tools like Database Health Monitor (available at DatabaseHealth.com) provide insights into server health and potential issues. Stedman Solutions offers comprehensive SQL Server performance tuning services, combining years of experience with specialized tools to ensure your SQL Server environment performs at its peak. Learn more about our managed services at Stedman Solutions.
Today Microsoft released a new update for SQL Server. SQL Server 2019 CU 16 (KB 5011644) 4/18/2022 (Windows) 5/10/2022 (Big Data Clusters) 5/16/2022(Linux) Here are the latest updates for each version of SQL Server. SQL Server 2019 RTM CU 16Download links: CU 16 (KB 5011644) SQL Server 2017 RTM CU 29Download links: CU 29 (KB 5010786) SQL Server …
Over the last 30+ years of working with SQL Server, I have seen a lot of interview questions relating to SQL Server. I have been on both sides of the interview table, sometimes wondering what the person on the other side of the table was asking. As a SQL Server developer do you feel that you were asked good questions …
What is your favorite SQL Server Developer Interview questions? Read more »
I have used my over 30 years of SQL Server experience to personally curate my favorite performance tuning tips and tricks into this training. I am excited to contribute and share with the SQL Server community some of my favorite solutions. Become part of this exclusive group of subscribers learning to put the horse power back into their SQL Server. …
Whenever you hear a company with over 30 years of experience tell you facts from real life scenarios, you should hear what they have to say. Learn from others’ mistakes some say. Our team has come up with 3 quick common database mistakes from working in world of the SQL Server database repair, performance and analysis. 40% of our assessment …
A great way to keep tabs on the overall health of your SQL Server. Pricing: $129.99 per month per SQL Server instance when paid month to month. Payment on a recurring payment by credit card plan required. We provide monitoring tools that alert us when there is an issue so that we can recommend fixes before the issue becomes a …
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Top reasons for slow SQL Server performance I typically see are: Slow Running Queries, these are queries that run slow even with just one user in the database. Caused by poorly written queries. Caused by missing indexes. > See Database Health Monitor Missing Indexes Report. Caused by out of date statistics for your indexes. Many other reasons. Blocking Queries, where …
CXCONSUMER and CXPACKET are associated with parallelism. When a query that has a cost beyond the cost threshold for parallelism then that query will be split out to be worked on by multiple cores. This is a good thing. It usually means that your queries are taking advantage of multiple cores. Reducing your max degree of parallelism setting is not …
Pre-Register For My NEW Exclusive Performance Training! I used my over 30 years of SQL Server experience to personally curate my favorite performance tuning tips and tricks into this training. I am excited to contribute and share with the SQL Server community some of my favorite solutions. Become part of this exclusive group of subscribers learning to put the horse …
Pre-Registration is Open – Free Weekly Performance Training Read more »
Seven Years at Stedman Solutions This week marks my 7th anniversary of Stedman Solutions, LLC being my full time job and my primary source of income. It also happens to be the 7th anniversary of the last time I got fired. Read more… High Alert – Preparing for a Cyber Attack Recent Cyber attack announced issued by the US Government and the …