Tag: SQL Server Performance Tuning
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Log and Filter sp_who2 Results in SQL Server
When managing SQL Server performance, the built-in sp_who2 procedure is a commonly used tool for quickly checking active processes and their resource usage. However, it doesn’t always give you much flexibility when analyzing SQL sessions. In this post, I’m sharing a simple SQL script that logs sp_who2 results…
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Identify Missing & Unused Indexes in SQL Server
Indexes are crucial for SQL Server query performance. Everyone needs an Index. However, improper indexing strategies can degrade database performance, leading to slow queries and cause resource bottlenecks. Effectively managing indexes involves not only identifying the missing ones that could improve performance, but also pinpointing unused indexes that…
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SQL Server Performance Tuning: Index Fragmentation Scripts
In this post I’m sharing more scripts to help with SQL Server performance tuning. This time, we’re looking at index and heap fragmentation which are useful for pinpointing inefficiencies on your database. Fragmentation, whether in indexes or heaps, can lead to slower queries, inefficient storage, and increased maintenance…
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Show User Activity and Blocking in SQL Server
In this post I’m sharing a SQL script that will show currently running and blocking queries in SQL Server, with some other useful info along the way. This is script I run often as a DBA. It’s useful for identifying blocking or long running transactions, or checking in…
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SQL Server Performance Troubleshooting Scripts
When your SQL Server starts to experience performance issues, it’s important to have tools at your disposal to quickly identify and address the root causes. One such tool is having a performance troubleshooting scripts that provides some insights into SQL Server’s current state; including worker threads, running queries,…
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Add a Filegroup to a Database in SQL Server
This post contains a demo on how to add a new Filegroup for a database in SQL Server. Most databases work well with single data/log files and do not need this. Adding filegroups to a SQL Server database can improve performance by distributing data across multiple disk drives…
Useful SQL DBA Posts
SQL Server Performance
– Get Full SQL Server System Info Fast
– Quick Performance Troubleshooting Scripts
– Identify Missing & Unused Indexes
– Get Wait Stats & Top Consuming Queries
– Get Exclusive Locks on Tables
– Get Last Node Blip in SQL Server FCI
Security & Maintenance
– Get Estimated Database Backup/Restore Time
– Get Last Database Backup Dates/Times
– Get Database Sizes & Space Used
– How to Get Table Sizes
– Get Index & Heap Fragmentation Levels
– Get SQL User Permissions and Roles
– Creating SQL Users on Availability Groups
– Audit Failed Login Attempts
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