by Todd Harness | Aug 29, 2019 | SQL Server
One of the most common missed configuration settings in SQL Server is the cost threshold for parallelism. By default it is set to 5, meaning that when SQL estimates that the cost of a query will be greater than 5 running a serial plan, SQL will split the plan into...
by Todd Harness | Sep 27, 2018 | SQL Server
AlwaysOn Availability Group (AG) is one of my favorite features in SQL Server and is worth considering when using SQL server 2012 or greater. One of the nicest features in AlwaysOn AG is that in a single subnet environment it can be totally transparent to your...
by Todd Harness | Jul 31, 2018 | SQL Server
What do you do when something that has been working for months suddenly stops working and gives you a SQL Error 8623? Worse yet, what do you do when that error message tells you to either rewrite your extremely complex query or spend some cash on a Microsoft customer...
by Todd Harness | May 10, 2018 | SQL Server
For some time now, SHA-1 has not been allowed to be issued from CA’s with few exceptions. This was due to a large catalog of evidence suggesting that SHA-1 was less secure than acceptable. Starting with SQL 2016 self-signed certificates are issued using SHA-2,...
by Todd Harness | Aug 3, 2017 | SQL Server
Have you ever applied a patch to find that the server or service does not start after it was applied? There is nothing worse than working in a maintenance window trying to get services back up as quickly as possible when suddenly SQL will not start. Knowing that your...
by Todd Harness | Aug 1, 2017 | SQL Server
While there are many configuration options in SQL Server that can help tweak the performance when RAM or CPU is causing a slowdown, when the disk is the culprit, your options are much more limited. Assuming that best practices are followed in regards to file locations...
