After answering many forum entries from developers asking for help with dealing with SQL that involved time intervals and ranges, Dwain dreamed of a generalized tool that sets up time slots of various sorts without the need to experiment; that could do the heavy lifting, so that developers could do aggregations and reports based on time intervals without the hard graft. Here is Dwain's dream made reality.
When we write scripts, we often assume many settings will be at some default value. When we generate scripts, that's not the case. Perhaps we should be sure that we always include the settings we expect.
Learn how you can dynamically name a file in SSIS and then send it using the FTP task.
There’s a new kid on the block in the NoSQL world – Azure DocumentDB. Released in preview back in August 2014 and going Generally Available this month, Azure DocumentDB is Microsoft’s initial foray into the increasingly competitive space of non-relational database management systems. Of course there is no better competitor in this space to measure up against than MongoDB. How close does DocumentDB stack up to MongoDB? Are they even close?
This week Steve Jones has a poll on performance tuning code. Since many people aren't experts, the answers this week might help them learn where to focus their efforts.
SQL Server expert Wayne Sheffield looks into the new T-SQL analytic functions coming in SQL Server 2012.
Redgate is offering a 1-day public workshop for anyone who’s interested in automated deployments for SQL Server databases. In the hands-on exercises, you’ll learn how to deploy with PowerShell and Octopus Deploy, work with NuGet packages, handle unexpected changes in your production database (database drift), test your changes with dry run releases, add review and rollback steps, check your deployments have worked, and how to fix things if your deployment fails. Find a workshop near you.
The difference between the CONCAT function and the STUFF function lies in the fact that CONCAT allows you to append a string value at the end of another string value whereas STUFF allows you insert or replace a string value into or in between another string value. Read on to learn more about these functions and their real life usage.
Today Steve Jones looks at the reasons for upgrading, or not, from SQL Server 2005.
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
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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