Kendra Little takes a look at the upcoming SQL Server 2016 'Number of Rows Read' feature in action.
Inevitably there comes a time where some backend data cleanup needs to be done. Ben Snaidero shares some best practices to follow when deleting data.
Most people blog to share something they've done, and hopefully with the idea that someone else will learn and benefit from it. Steve Jones is happy to share code, but not everyone seems to be in agreement. In any case, you ought to respect the author's wishes.
In SQL, you can express the logic of what you want to accomplish without spelling out the details of how the database should do it. Nowhere is this more powerful than in constraints. SQL is declarative, and Joe Celko demonstrates, in his introduction to Declarative SQL, how you can write portable code that performs well and executes some complex logic, merely by creating unique constraints.
In the final Database Weekly of 2015, Steve Jones looks at a CIO's column on workplace change.
An alternative read-only routing technique for non-Microsoft clients.
SQL Injection isn't special code. It consists of regular, valid T-SQL that is unexpected by the application. Steve Jones notes that using the principle of least privilege can help to limit the damage from SQL Injection if the application fails to properly check input.
Azure SQL Database provides a number of benefits that leverage resiliency and redundancy built into the underlying cloud infrastructure. You can take advantage of these features in order to perform backup, restore, and failover tasks, which help you recover from human errors, service outages, or even regional disasters. In this article, Marcin Policht provides an overview of the primary capabilities incorporated into Azure SQL Database, in particular focusing on point-in-time restore
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
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...
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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