Question: How Does QUOTED_IDENTIFIER Works in SQL Server?Answer: If you search on the internet, you may find quite lots of notes about it. So in this blog post, I will explain in very simple words.
SQL SERVER – Read Only Routing Error: Client Unable to Establish Connection Because an Error was Encountered During Handshakes Before Login
I have helped many clients in deploying Always On Availability Group. Based on their requirement they keep using additional features provided by availability groups. This time they wanted to use always-on availability group read-only routing feature. Their goal was to offload read-only workload to the secondary replica. This was failing with error: Client unable to establish a connection because an error was encountered during handshakes before login.
SQL SERVER – When You Should Not Attend SQL Server Performance Tuning Practical Workshop for EVERYONE?
So far many of you know that my SQL Server Performance Tuning Practical Workshop for EVERYONE is extremely popular and it is almost full when I am writing this email. I can now accommodate a maximum of 5 individuals in the class as we are reaching capacity. However, yesterday I received a very interesting email which asked me a specific question about the word EVERYONE. Let us read the exact text of the email so you get a clear idea:
SQL SERVER – Stretch Database – Free Trial Subscriptions Can Provision Basic, Standard S0 through S3 Databases, up to 100 eDTU Basic or Standard Elastic Pools and DW100 Through DW400 Data Warehouses
I wrote a blog earlier about my first experience (and error encountered) with “Stretch Database” feature. In this blog I would talk about the error – Free Trial subscriptions can provision Basic, Standard S0 through S3 databases, up to 100 eDTU Basic or Standard elastic pools and DW100 through DW400 data warehouses.
How to Track Data Platform Service Level and Performance Before and After Consolidation?
When you are planning data platform consolidation, it is very important to track down the changes in the overall system performance after the actual migration is done. You should understand the differences in the configurations and performance of the instances and databases. Then you will also understand better how well the actual planning work went, and which are the possible challenges in the data platform.
SQL SERVER – Error: 825 – A Read of the File at Offset Succeeded After Failing 1 Time(s)
One of my clients contacted me to give advice about an error. In this blog, we would discuss error message – A read of the file at offset succeeded after failing 1 time(s)
SQL SERVER – Stretch Database – ERROR: The Provided Location is Not Available for Resource Group
This was my first experiment with this feature called Stretch Database. I have started the wizard and encountered at the very end. Here is the error message.
Do Queries Always Respect Cost Threshold of Parallelism? – Interview Question of the Week #216
Question: Do Queries Always Respect Cost Threshold of Parallelism?
SQL SERVER – List Query Plan, Cache Size, Text and Execution Count
I love the curious questions from people who attended the class. Here is one such question during recent SQL Server Performance Tuning Practical Workshop. Let us see the question which I received about the Query Plan.
SQL SERVER – Difference Between Status in SP_Who2 – Running, Pending, Runnable, Suspended, Sleeping
One of the most popular questions I receive during my Comprehensive Database Performance Health Check is a difference between status in sp_who2 which discusses status as Running, Pending, Runnable, Suspended. Let us today understand them with regards to CPU.