When designing a database to support applications you need to consider how you are going to handle primary keys. This article explores natural and surrogate keys, and discusses the pros and cons of each, allowing you to determine what makes the best sense in your environment when you are designing your databases.
One Windows setting that I think is extremely important for SQL Server usage is the “Perform volume maintenance tasks” right,...
This week was T-SQL Tuesday week, the brainchild of Adam Machanic, and hosted by Pat Wright. The theme of Automation produced some very interesting posts. Some of them might inspire you to change the way you tackle the solutions for a variety of problems.
A review of SQL Monitor, the new DBA utility from Red Gate Software that can help you keep an eye on what your SQL Server instances are doing.
Today we have a reprint of an editorial from Sept 22, 2005. In this one, Steve Jones reminds you that blogging is a public event and you want to be careful about what you write.
I sometimes want to perform auditing or other actions in a trigger based on some criteria. More specifically, there are a few cases that may warrant an e-mail; for example, if a web sale takes place that requires custom or overnight shipping and handling. It is tempting to just add code to the trigger that sends an e-mail when these criteria are met. But this can be problematic for two reasons: (1) your users are waiting for that processing to occur, and (2) if you can't send the e-mail, how do you decide whether or not to roll back the transaction, and how do you bring the problem to the attention of the administrator?
Come learn about SQL Server in Phoenix on Feb 19, 2011. For free! Spread the word to anyone you know in the area.
Today we have a guest editorial from Andy Warren. Work can seem mundane and tedious at times, and today Andy asks you you remain engaged when the work isn't exciting.
Is there a way to not allow users to use SELECT * in their queries? New author AJ Raghuram has an interesting solution that can prevent this in code.
This article demonstrates using SQL Server's data mining capabilities with the Excel.
By SQLPals
Track SQL Server Configuration Changes Using the Error Log If you...
Good documentation gets you started. Good books get you deep. After years of working...
By Vinay Thakur
In previous posts, we looked at the SQL Server engine. for us DBAs, the...
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I have this data in a table called dbo.NFLTeams
TeamID TeamName City YearEstablished ------ -------- ---- --------------- 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960 5 49ers San Francisco 1946 6 Broncos Denver 1960 7 Seahawks Seattle 1976 8 Patriots New England 1960If I run this code, how many rows are returned?
SELECT YearEstablished, json_objectagg(city : TeamName) FROM dbo.NFLTeams GROUP BY YearEstablished;See possible answers