Using the Statistical Program R for Running Statistics
This article talks about using the statistical program, R, for applying simple statistics against data in Microsoft SQL Server.
This article talks about using the statistical program, R, for applying simple statistics against data in Microsoft SQL Server.
One of the most important features of the SQL Server 2016's new Query Store is the reporting. With these features, it is now possible to get a wealth of information on how your query workload is performing, either aggregated for the entire query workload or for a single query. With this information, you can see the effects of 'forcing' an execution plan for specific queries and get feedback of the consequences.
rsNeatPublish: Toolset to automate deployment of all SSRS 2008R2/12/14/16 objects
Today Steve Jones looks at security training and the need for understanding from upper management.
Tim Smith shows how using PowerShell can be an effective way to track SQL Server snapshot and transactional replication counts for sources and destinations.
We suspect there are some issues with our disk subsystem and would like to be alerted by email if SQL Server encounters any corruption in any of the data files that reside on the disk in question. How can we add this automated monitoring?
Steve Jones looks at the challenges of putting a team together of wildly different skill levels.
SQL is unusual is that data is not passively stored. Instead you use declarative SQL to specify the rules that underlie the data and its integrity. When used properly, constraints can avoid having to provide a lot of logic elsewhere. CHECK() and DEFAULT can do a lot to ensure that your data is correct
Are you using Ola Hallengren's Maintenance Solution? Here's a Python script that helps you keep track of your backup file inventory.
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I have this data in the dbo.Commission table in a SQL Server 2022 database.
salesperson commission Brian 12 Brian 16 Andy 7 Andy 14 Andy 21 Steve 20 Steve NULLAll the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
, AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
FROM commission
GROUP BY SalesPerson
GO
What average commission is calculated for Steve? See possible answers