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I am Mark O’Donovan

I am a London based developer\author specializing in Business Intelligence Development.
Take a look at my work, I’d love to help you learn QlikView, Qlik Sense or Sql.

Learn moreGet in Touch

Reviews of my books, videos and development

This review is from Qlik Sense for Beginners (Kindle Edition)

Fantastic Kick Starter and great tips for the experienced user as well

Great information and so easy to follow. Accomplished exactly what I hoped it would when I bought it.

Qlik Sense for Beginners review by softball
Format:Kindle Edition

I like the fact that Practical SQL focuses on SQL Server Express, since that it is free software and available for everyone to use. This book makes really clear on how to get the software, install it, and be up and running so you can then focus on learning SQL!The book comes with lots of examples, script that you can cut and paste into your database, as well as screen shots so you can confirm what you’re doing is correct and expected.

Though the book starts out with simple examples, by the time you get through the chapters, you’ve been exposed to various joins, enough to get anyone up and started querying data.

If you’re a beginner, and want the focus on the essence of T-SQL, then this is a good choice.

Practical Sql review by Kris Wenzel
This review is from: Practical QlikView (Kindle Edition)
The book is good. It will definitely help to build the fundamentals required to master the Qlikview.
Practical QlikView review by ramesh

practical qlikview review:

I really enjoyed the the book and love the software! Only a recent user, but slowly but surely getting a hold of it.

Thanks Q.view 🙂

Practical QlikView review by ‘The click’

Here is a list of things I do


QlikView Development – including qvx and extensions such as Google Maps integration.

SQL Development

TSQL Development on Sql Server 2008-2014.

Qlik Sense

Qlik Sense Development.

SQL Server Reporting Services

Development of SSRS reports.

SQL Server Integration Services

SSIS package development including script tasks.

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