My primary task is to do consultation for SQL Server Performance Tuning. I always use Microsoft provided sample databases for my demonstrations.
SQL SERVER – Stored Procedure sp_datatype_info to Get Supported Data Types
I get to work with various different versions and environment when I am busy with my clients with Comprehensive Database Performance Health Check. While I work with different customers often I forget what data type is supported by which version of SQL Server. Here is a small quick trick, I use all the time when I need to know what are the different data types supported by the version I am working with.
SQL SERVER – Automatic Seeding of Availability Database ‘DB’ in Availability Group ‘AG’ Failed With an Unrecoverable Error
While deploying Always On Availability Group with a client, they found that when they use automatic seeding, the database was not shown on secondary. After digging more, we found that it was there earlier in “Restoring” state when seeding was in progress but then it automatically disappeared from the list of databases on secondary. Here is the option in the wizard.
SQL SERVER – T-SQL Script to List Automatic Seeding of Always On Availability Group
I love blog post which just solves a simple point and immediately gets us the necessary answer. Recently during one of the consulting engagement Comprehensive Database Performance Health Check at one of my customer place we identified a wait statistics which was related to SQL Server Always On Availability Group. The wait statistics issue was VDI_CLIENT_OTHER and the way to solve is blogged here SQL SERVER – Many BACKGROUND Threads with Command VDI_CLIENT_WORKER. We needed to remove automatic seeding to reduce the said wait statistics.
SQL SERVER – Getting Started with Accelerated Database Recovery – Instant Rollback
There are many reasons to envy my job as SQL Server Performance Tuning Expert Consultant but the most important reason is that I get to work on quite often the latest version of SQL Server. Just the other day I had an early adopter customer who was using SQL Server 2019 for their environment and they wanted me to help them with the new feature of Accelerated Database Recovery.
How to Execute Query Without Using F5 or Query Toolbar in SSMS? – Interview Question of the Week #224
Question: How to Execute Query Without Using F5 or Query Toolbar in SSMS?
SQL SERVER – Get Last Known Actual Execution Plan for a Previously Cached Query Plan
This feature works with SQL Server 2019 and onwards. If you are using an earlier version of SQL Server this feature will not work and will give you an error. One of the most common questions I receive during Comprehensive Database Performance Health Check is how to get the last known actual execution plan for a previously cached query plan.
SQL SERVER – Drop failed for Availability Group – Failed to Destroy the Windows Server Failover Clustering Group Corresponding to Availability Group
While working with one of the clients to recover from a disaster, I encountered an error. In this blog we would talk about error Drop failed for Availability Group. If you want any such assistance, you can hire me for quick consultation using On Demand offering.
SQL SERVER – Installation Error: System.ArgumentNullException – Value Cannot be Null
One of my clients was trying to automate SQL deployment. While testing they were stuck with an interesting error and then they contacted me. In this blog, I would share my learning about an installation error: System.ArgumentNullException – Value cannot be null.
SQL SERVER – How Do I Evaluate Monitoring Tools?
Today, I am going to talk about the 3 important properties which I look for in all the SQL Server Performance monitoring tools.