Tony Davis

Tony Davis is an Editor with Red Gate Software, based in Cambridge (UK), specializing in databases, and especially SQL Server. He edits articles and writes editorials for both the Simple-talk.com and SQLServerCentral.com websites and newsletters, with a combined audience of over 1.5 million subscribers. You can sample his short-form writing at either his Simple-Talk.com blog or his SQLServerCentral.com author page.

As the editor behind most of the SQL Server books published by Red Gate, he spends much of his time helping others express what they know about SQL Server. He is also the lead author of the book, SQL Server Transaction Log Management.

In his spare time, he enjoys running, football, contemporary fiction and real ale.
05 October 2017
05 October 2017

SQL Server Coming in on Another Platform

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Why release SQL Server as a Linux, as well as Windows, application? It baffled many DBAs when it was announced, though most shrugged and decided that it must be part of Microsoft’s long-term wrestling match with Oracle. When Microsoft previewed an early version of the Linux SQL Server on Ubuntu and Red-Hat, with ‘core relational … Read more
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21 September 2017
21 September 2017

Conversations with Gran about Databases

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So, what’s going on in your databases world this week, young man? I paused, as always, a little unsure of what I was getting myself into. I’d been having these little “technical chats” with Gran ever since her ‘computer incident’, when a blue screen informing her of a “Fatal error: catastrophic failure“, had thrown her … Read more
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08 September 2017
08 September 2017

The Wrong Way to Clean Up the Internet

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Having successfully fought several privacy battles, granting people the right to have themselves taken off Google search, and to have their records deleted from databases, it looks as if the European Union may soon want to regulate and license what you can watch on YouTube or other video content sites, and the audio-visual content you … Read more
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14 August 2017
14 August 2017

IT Aphorisms for Developers

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Developers enter their trade fizzing with untamed creative energy. They envision spending their days dashing out intricate algorithms that compile first time, developing creative applications that dazzle colleagues and users alike, before leaving the office each evening, with a swagger in their step, to work their new GitHub ‘side project’, which will one day soon … Read more
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03 August 2017
03 August 2017

Who was that masked man anyway?

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Whenever you require a visit to the doctor, or hospital, a lot of personal data will likely be recorded, alongside details of your condition, the treatment you required, drugs prescribed and so on. At some point, you might have signed a consent form, one of the clauses of which allowed your data to be analyzed … Read more
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26 April 2017
26 April 2017

Python in SQL Server

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Anyone using R in SQL Server employs the procedure sp_execute_external_script, the first parameter of this being the language to use. The documentation rather obliquely says that “the script must be written in a supported and registered language“. Until recently, the only language was R, but now a second supported language, Python, has appeared. Yes, at … Read more
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07 April 2017
07 April 2017

The Oxford Comma and Me

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Many people in IT, even at Redgate where I work, see the job title “Editor” and think I spend most of my time fixing spelling mistakes, adding Oxford Commas, and thwarting an author’s ambitions to end a sentence with a preposition. They are sometimes bemused, therefore, when they learn how long a proper technical edit … Read more
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27 March 2017
27 March 2017

Avoiding the Slide From DevOps to DevOops

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If you roll out DevOps across an organization before it is culturally prepared for it, you will see warning signs that the initiative is failing. These are: Team members complain of unmanageable workloads Requirements, quality management and metrics get neglected; customer complaints increase You promote and reward the ‘firefighters’ rather than the staff who prevent … Read more
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06 March 2017
06 March 2017

Old is the New New: SQL Server 2016 Learns Ancient Auditing Tricks

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The new temporal tables in SQL Server 2016 are interesting, in that they seem a much better way of storing any financial information than conventional relational tables. They have been referred to by some as “SQL Server’s time machine”. They are system-versioned tables that allow SQL Server to maintain the different versions each row, using … Read more
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19 January 2017
19 January 2017

Tying Down the Source Code

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Database source code analysis can flush out weakly-authenticated database users, over-privileged users and roles, or stored procedure code that concatenates a parameter directly into the dynamic SQL string that is to be executed, and so is vulnerable SQL injection. This is great for the development team, but it is also wonderful for the hacker. Getting … Read more
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05 January 2017
05 January 2017

Bridging the DevOps Divide

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What’s the main obstacle to implementing a DevOps approach in your organization? In a recent “State of DevOps” survey conducted by Redgate, the second most popular answer to this question, after “lack of skills”, was “lack of alignment between development and operations teams“. Hmm, so you can’t do DevOps until you have a DevOps culture. … Read more
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01 December 2016
01 December 2016

The Dangers of TechnoMarketingBabble

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Everyone’s encouraged to be a content producer these days. It’s not marketing, it’s content! Sometimes the tell-tale signs are obvious. The author feels obliged to lapse into unrestrained hyperbole in the first paragraph, proclaiming unprecedented greatness for some unproven new feature or technology that represents a “total revolution” in the way you tackle a certain … Read more
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21 November 2016
21 November 2016

Virtue in the Virtual

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Are we now seeing just a frisson of excitement amongst database professionals at the potential of virtualization, and containerization technologies? I read with interest Andrew Pruski’s recent post on SQL Server and containers. Wow, I thought: so I can now run a Docker SQL Server Express in a Hyper-V Container on Windows Server 2016! Then … Read more
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04 November 2016
04 November 2016

When Stored Procedures Go Bad

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It is far easier to work out what is wrong with a slow-running SQL query than one that shows erratic performance. DBAs will groan when a process occasionally performs terribly without apparent reason. There is always a good chance that this is a symptom of the painful problem of parameter sniffing. It can afflict database … Read more
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08 September 2016
08 September 2016

JSON and the Arguments

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Now that we’re getting better support for storing JSON (JavaScript Object Notation) in databases, what is it really giving us? Whatever else, the technique of “stuffing data into a JSON blob and adding an index” doesn’t always absolve us from the task of carefully designing and normalizing our database schema. There are many advantages, I’ll … Read more
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