SQL Server Wait Type: PREEMPTIVE_OS_QUERYREGISTRY
Wait statistics, in the context of SQL Server, refer to the amount of time that a query spends waiting to access data in the database.… Read More »SQL Server Wait Type: PREEMPTIVE_OS_QUERYREGISTRY
Performance
Blog posts relating to SQL Performance Tuning.
SQL Server Performance Tuning
Enhancing Database Efficiency
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.
Fill Factors on Indexes – What does that mean?
In SQL Server, the fill factor is a configuration option that determines how much space is left on each page of an index when it… Read More »Fill Factors on Indexes – What does that mean?
Securing SQL Server: Renaming and Disabling the SA Account
The SA (System Administrator) account is a predefined account in SQL Server that has full control over the database server. By default, the SA account… Read More »Securing SQL Server: Renaming and Disabling the SA Account
Common Waits Reported by Daily Monitoring This Month
Each month we report on the most common waits that we see reported by our daily monitoring customers. All the data is sanitized, so there… Read More »Common Waits Reported by Daily Monitoring This Month
SQL Performance – Finding total elapsed time
One of the key tasks of a database administrator is to ensure that the SQL Server database is running efficiently and effectively. One way to… Read More »SQL Performance – Finding total elapsed time
SQL Server Mentoring – Do you need some occasional help?
Sometimes we all need a little help without a long term commitment. That why we created our SQL Server Mentoring service at Stedman Solutions. SQL… Read More »SQL Server Mentoring – Do you need some occasional help?
How to Find Missing Indexes
In SQL Server, missing indexes are indexes that the query optimizer has determined would improve query performance, but do not exist in the database. Identifying… Read More »How to Find Missing Indexes
Daily Server Monitoring – SQL Versions for January
Out of all of the customers we have running our daily monitoring here are the versions of SQL Server that are being run. All the… Read More »Daily Server Monitoring – SQL Versions for January
SQL Server Wait Type: BACKUP_OPERATOR
Wait statistics, in the context of SQL Server, refer to the amount of time that a query spends waiting to access data in the database.… Read More »SQL Server Wait Type: BACKUP_OPERATOR
December Blog Post Wrap-up
Replication and Log Shipping Compared Fri, 30 Dec 2022 Replication and log shipping are two features of SQL Server that are used for managing data… Read More »December Blog Post Wrap-up