Dynamic Data Masking is an exciting new feature in SQL Server 2016, allowing DBAs to centrally set a mask that is returned for a table column instead of the actual data, limiting what information is returned to certain users in a consistent and reliable way. What’s more, Redgate SQL Compare safely and reliably handles your DDM changes. Data Platform MVP Steve Jones explains more.
2016-07-21
3,492 reads
Rob Farley looks at information exposed in query plans about residual predicates and actual rows read, showing how Plan Explorer helps identify the issue.
2016-07-20
3,121 reads
Although it is well-known that the best efforts of a development team can be derailed by mistakes in the architecture, design and general governance of a development project, few attempts have been made to describe what needs to be done to increase the chances of success in the development of a database application. William Brewer steps into the breach to itemise what a delivery team needs to succeed.
2016-07-19
4,978 reads
You work in a shop that puts business or application logic in SQL Server using stored procedures, views and functions to return values to the calling applications or perform tasks. This is not unusual for companies that use the SQL Server layer to perform
2016-07-18
3,614 reads
Over recent months, Redgate’s development teams have been busy updating the tools in the SQL Toolbelt to support the valuable new functionality released with SQL Server 2016. To achieve this, most tools now support the syntax for SQL Server 2016’s key features, letting you do even more with them. Learn mor.
2016-07-18
3,566 reads
For this month's T-SQL Tuesday, Rob Farley takes a look at a couple of unexpected aspects of query plans you might observe when using Temporal Tables in SQL Server 2016.
2016-07-15
3,095 reads
Moving data into SQL Server is something that most DBAs or Developers are faced with probably on a daily basis. In this article, Greg Robidoux explores the various options for doing so.
2016-07-13
4,355 reads
Rob Gravelle demonstrates a sure-fire way to calculate how much disk space your MySQL data entities are taking up.
2016-07-12
2,667 reads
It is relatively easy to provide a smart BI solution when your customer has all the resources for a new hardware and software platform, but it takes ingenuity to provide an effective simple solution requiring data-driven pictorial information on a range of template diagrams with just an existing platform of SQL Server, Reporting Services and .NET.
2016-07-11
3,618 reads
Every DBA squirrels away favourite queries for monitoring SQL Server. Nowadays many of these are too complex to keep in your head. Dennes describes how he uses T-SQL queries for solving problems, whether it involves fixing the problems of missing indexes, preventing unrestrained autogrowth, avoiding index fragmentation, checking whether jobs have failed or avoiding memory stress conditions.
2016-07-08
10,110 reads
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...
Comments posted to this topic are about the item How We Handled a Vendor...
Comments posted to this topic are about the item Cognitive Coverage
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