What is Faster, SUM or COUNT? – Interview Question of the Week #231
Question: What is Faster, SUM or COUNT?Answer: Both are the same. Let me prove it to you.I recently visited a big financial technology organization and while working on the day-long engagement on Comprehensive Database Performance Health Check in tunin …
SQL SERVER – Automatic Seeding of Availability Database ‘SQLAGDB’ in Availability Group ‘AG’ Failed With a Transient Error. The Operation Will be Retried
Earlier I have written few blogs about automatic seeding feature. In this blog we would learn how to fix error: Automatic seeding of availability database ‘SQLAGDB’ in availability group ‘AG’ failed with a transient error.Here a …
SQL SERVER – Add Database to Availability Group Failure – This BACKUP or RESTORE Command is Not Supported on a Database Mirror or Secondary Replica
I always recommend my client to go with the latest and great version of tools like SQL Server Management Studio (SSMS). In this blog, we would learn about a situation where an older version of SSMS was giving an error while adding a new database to exi …
The 2019 State of SQL Server Monitoring Report
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4 Ways to Move Data Into a Reporting Server
You’ve decided that you need to offload reports to a different SQL Server, and you’re willing to pay the costs. Here are the most common ways to move the data from production to a reporting server, arranged roughly from easiest-to-implement …
SQL SERVER – Different Size of COPY_ONLY Full Backup on Primary and Secondary Replica in Always On
While preparing for a disaster recovery demo for my client, I observed an interesting behavior. In this blog, I would show a quick demo where you can learn how the full backup size can be different on the primary and secondary replica for an availabili …
How can we close the tech skills gap?
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Improving Tech with Compassionate Code
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What’s the Difference Between PERCENT_RANK and CUME_DIST?
Remember those standardized tests you took in school? They compared how you performed to others in your region, the ranking, not the actual percentage of correct answers. Microsoft released several window function features with SQL Server 2012 includin …
SQL SERVER – SUSPENDED Sessions Waiting on PAGELATCH_UP and PAGELATCH_SH – Solution
Today, I have interesting experience while working with a client on Comprehensive Database Performance Health Check. I was working with Sr. DBA on optimizing their SQL Server. While working on it, we realized there was an issue with how their file conf …
Data breach notifications don’t need to be scary
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Collect SQL Server Index Usage Information for all Instances with PowerShell
The post Collect SQL Server Index Usage Information for all Instances with PowerShell appeared first on SQLServerCentral.
Things to Think About When Your Databases Grow Quickly
In SQL ConstantCare®, we’re adding a notification for when your data size grows >10% in a single week. When this happens, you want to stop for a second to ask yourself a few questions: Did someone just create a backup table? Folks often do …
Query Store Best Practices
I’m a huge fan of Query Store, which regular readers may know, but there’s a need to write a bit more about Query Store best practices. This isn’t a “you must use this feature” post, this is a “here is what you …
SQL SERVER – Getting Started with DBCC FLUSHAUTHCACHE on SQL Azure
First thing first – the command DBCC FLUSHAUTHCACHE only is supported on SQL Azure. If you are going to write a comment that this does not work on the on-premises SQL Server, I totally agree as this command is only available on SQL Azure. Now tha …