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• Silverlight Cream for March 06, 2010 -- #808

  - by Dave Campbell

  In this Issue: András Velvárt, felix corke, Colin Eberhardt, Christopher Bennage, Gergely Orosz, Entity Spaces Team Blog, Mike Taulty(-2-), Jit Ghosh, and Jesse Liberty. Shoutouts: Jeremy Likness expands on the Silverlight Team's post Vancouver Olympics - How'd We Do That? Gavin Wignall has a post up Creating a 360 photograph of an object with Silverlight Photosynth From SilverlightCream.com: Transforming an Ugly Duckling into a Graceful Swan With Expression Blend and Silverlight - Part 2 Intro Animation András Velvárt has part 2 of his Transformation series up at SilverlightShow... he's taking the initro animation to a new length, allowing playback even... cool video tutorial! Free Silverlight 4 beta skin! felix corke has a Silerlight 4 theme up for us all to use. If you like a dark theme like Blend, you'll like this... I like it! Linq to Visual Tree Colin Eberhardt has a great tutorial up for using LINQ to query the WPF or Silverlight Visual Tree while retaining the tree structure. He also has links out to other techniques. XAML Attributes on Separate Lines Christopher Bennage has a post up showing how to easily get all your XAML attributes on separate lines using a VS menu option... I didn't know that! Using built-in, embedded and streamed fonts in Silverlight Gergely Orosz has a post up at ScottLogic going over Fonts in Silverlight -- built-in, embedded, or streamed, and examples with code. EntitySpaces 2010 Two Part Series on Silverlight and WCF Entity Spaces Team Blog has a pair of videos up on Entity Spaces 2010, WCF, and Silverlight. Part 1 is the intro and explanation, part 2 is a full-up app demonstrating it. MEF, Silverlight and the DeploymentCatalog In an attempt to respond fully to a query, Mike Taulty literally pushed the record button and took off on what became a tutorial video on building a real Silverlight app utilizing MEF. Silverlight 4, Experiment with Pluggable Navigation and a WCF Data Service Mike Taulty has an experiment detailed on his blog about pluggable navigation and Silverlight 4. He walks through the history of how we got to this point then takes on in an example... good external links too Enhancing Silverlight Video Experiences with Contextual Data This is a post on the MSDN Magazine site where Jit Ghosh has a great long post about not only Smooth Streaming with Silverlight, but also adding context data to your video. When Is It OK To Hack? Read what all Jesse Liberty gets involved in when he's trying to get something out the door and has to work around a problem. Just about as interesting are the comments ... check it out and leave your own! Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    MIX10

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• Implement Budget Allocation in DAX for Power Pivot and Tabular #powerpivot #tabular #ssas #dax

  - by Marco Russo (SQLBI)

  Comparing sales and budget, or costs and budget, is a very common operation. However, it is often the case that you have different granularities for different tables containing budget and the data to compare with. There are two ways to do that: you can limit the comparison to the granularity that is common to the two tables, or you can allocate the budget where it’s not defined. For example, if you have a budget defined by quarter and category, you might want to allocate it by month and product. In this way, you will do the comparison as you had a more granular definition of the budget, without actually having to do the manual job of allocating data (usually in an Excel worksheet!). If you want to do budget allocation in DAX, you can use the Budget Patterns we published on DAX Patterns. If you come from and MDX/OLAP background, at first you might find it hard to solve the problem of not having attribute hierarchies that helps you in propagating the budget values to lower hierarchical levels. However, I think that once you get used to DAX, you will find the behavior very predictable and easy to “debug” also for more complex allocation formula. You just have to be careful in writing the DAX formula, but probably the pattern we wrote should help you designing the right data model, without creating physical relationships to the budget table! This pattern is also based on the Handling Different Granularities scenario I discussed a couple of weeks ago.

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• White Paper/Case Study on ICONICS’ Use of StreamInsight for its Energy AnalytiX&#174; Solution

  - by Roman Schindlauer

  A couple of days ago, we released a new StreamInsight white paper/case study on TechNet and MSDN. The paper is joint work with ICONICS and discusses how ICONICS is using StreamInsight technology for its Energy AnalytiX® solution. The paper is available for download here in the Technical Articles section of the StreamInsight documentation. Today, businesses and organizations need to pay more and more attention to energy usage, as customers and the general public are becoming increasingly concerned about a respectful and sustainable use of resources. Organizations therefore need to carefully manage their use of energy and provide better visibility into their energy consumption. In this paper, we discuss how software solutions can help address these challenges. Besides providing some background on the drivers behind energy management, the paper discusses how organizations manage their use of energy with current product and service offerings from Microsoft and ICONICS. In the main body of the paper, a case study explains in depth how ICONICS Energy AnalytiX® is using Microsoft data platform components such as SQL Server StreamInsight to deliver market leading energy management solutions. Regards, The StreamInsight Team

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• SQL University: Parallelism Week - Part 2, Query Processing

  - by Adam Machanic

  Welcome back for the second part of Parallelism Week here at SQL University . Get your pencils ready, and make sure to raise your hand if you have a question. Last time we covered the necessary background material to help you understand how the SQL Server Operating System schedules its many active threads, and the differences between its behavior and that of the Windows operating system's scheduler. We also discussed some of the variations on the theme of parallel processing. Today we'll take a look...(read more)

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• Survey: how do you unit test your T-SQL?

  - by Alexander Kuznetsov

  How do you unit test your T-SQL? Which libraries/tools do you use? What percentage of your code is covered by unit tests and how do you measure it? Do you think the time and effort which you invested in your unit testing harness has paid off or not? Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!...(read more)

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• JavaScript Intellisense Improvements with VS 2010

  This is the twentieth in a series of blog posts Im doing on the upcoming VS 2010 and .NET 4 release.  Todays blog post covers some of the nice improvements coming with JavaScript intellisense with VS 2010 and the free Visual Web Developer 2010 Express.  Youll find with VS 2010 that JavaScript Intellisense loads much faster for large script files and with large libraries, and that it now provides statement completion support for more advanced scenarios compared to previous versions...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Survey: Do you write custom SQL CLR procedures/functions/etc

  - by James Luetkehoelter

  I'm quite curious because despite the great capabilities of writing CLR-based stored procedures to off-load those nasty operations TSQL isn't that great at (like iteration, or complex math), I'm continuing to see a wealth of SQL 2008 databases with complex stored procedures and functions which would make great candidates. The in-house skill to create the CLR code exists as well, but there is flat out resistance to use it. In one scenario I was told "Oh, iteration isn't a problem because we've trained...(read more)

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• I’m 99% confident that where you are matters

  - by ktegels

  It really has been a long time since I posted anything ofvalue here. Yes, a lot of that is by my own choice and some of you might bewondering if I’ve given up on SQL Server. No, haven’t, it remains a vital toolfor me. But I have become more of user of the product in last couple of yearsrather than somebody who is “internals guru.” To be frank, going from technicaltrainer to University professor has had a lot to do with that. I tend to caremuch less now about squeezing cycles out of execution times...(read more)

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• Data Modeling Resources

  - by Dejan Sarka

  You can find many different data modeling resources. It is impossible to list all of them. I selected only the most valuable ones for me, and, of course, the ones I contributed to. Books Chris J. Date: An Introduction to Database Systems – IMO a “must” to understand the relational model correctly. Terry Halpin, Tony Morgan: Information Modeling and Relational Databases – meet the object-role modeling leaders. Chris J. Date, Nikos Lorentzos and Hugh Darwen: Time and Relational Theory, Second Edition: Temporal Databases in the Relational Model and SQL – all theory needed to manage temporal data. Louis Davidson, Jessica M. Moss: Pro SQL Server 2012 Relational Database Design and Implementation – the best SQL Server focused data modeling book I know by two of my friends. Dejan Sarka, et al.: MCITP Self-Paced Training Kit (Exam 70-441): Designing Database Solutions by Using Microsoft® SQL Server™ 2005 – SQL Server 2005 data modeling training kit. Most of the text is still valid for SQL Server 2008, 2008 R2, 2012 and 2014. Itzik Ben-Gan, Lubor Kollar, Dejan Sarka, Steve Kass: Inside Microsoft SQL Server 2008 T-SQL Querying – Steve wrote a chapter with mathematical background, and I added a chapter with theoretical introduction to the relational model. Itzik Ben-Gan, Dejan Sarka, Roger Wolter, Greg Low, Ed Katibah, Isaac Kunen: Inside Microsoft SQL Server 2008 T-SQL Programming – I added three chapters with theoretical introduction and practical solutions for the user-defined data types, dynamic schema and temporal data. Dejan Sarka, Matija Lah, Grega Jerkic: Training Kit (Exam 70-463): Implementing a Data Warehouse with Microsoft SQL Server 2012 – my first two chapters are about data warehouse design and implementation. Courses Data Modeling Essentials – I wrote a 3-day course for SolidQ. If you are interested in this course, which I could also deliver in a shorter seminar way, you can contact your closes SolidQ subsidiary, or, of course, me directly on addresses [email protected] or [email protected]. This course could also complement the existing courseware portfolio of training providers, which are welcome to contact me as well. Logical and Physical Modeling for Analytical Applications – online course I wrote for Pluralsight. Working with Temporal data in SQL Server – my latest Pluralsight course, where besides theory and implementation I introduce many original ways how to optimize temporal queries. Forthcoming presentations SQL Bits 12, July 17th – 19th, Telford, UK – I have a full-day pre-conference seminar Advanced Data Modeling Topics there.

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• Thanks to NxtGenUG Manchester - Hyper-V for Developers presentation now available for download

  - by Liam Westley

  Thanks to Steve and Andy at NxtGenUG Manchester for making me very welcome and for the guys who didn't head down the pub for a Guinness for St Patrick's Day and came to NxtGen instead.  I hope you all got something from the presentation, if not technical insights, at least a can of Guinness of Tunnocks caramel wafer as swag. As promised here is the presentation in both PowerPoint and Adobe PDF format (with speaker notes), http://www.tigernews.co.uk/blog-twickers/nxtgenugmanc/hyperv4devs-ppt.zip http://www.tigernews.co.uk/blog-twickers/nxtgenugmanc/hyperv4devs-pdf.zip Since I gave the presentation Microsoft has released XP Mode (Windows Virtual PC for use under Windows 7) without the requirement for hardware virtualisation. Read more about that here, http://blogs.msdn.com/Virtual_PC_Guy/ For anyone who has seen this presentation at other user groups, there is a new section at the end of the presentation dealing with the various networking configurations under Hyper-V; not connected, private network, internal network and external network.  This includes details of what these mean, and a Venn diagram to aid understanding of the implications.

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• PowerPivot and the Slowly Changing Dimensions

  - by AlbertoFerrari

  Slowly changing dimensions are very common in the data warehouses and, basically, they store many versions of the same entity whenever a change happens in the columns for which history needs to be maintained. For example, the AdventureWorks data warehouse has a type 2 SCD in the DimProduct table. It can be easily checked for the product code “FR-M94S-38” which shows three different versions of itself, with changing product cost and list price. This is exactly what we can expect to find in any data...(read more)

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• PowerPivot and Parent/Child hierarchies

  - by AlbertoFerrari

  Does PowerPivot handle Parent/Child hierarchies? The common answer is “no”, since it does not handle them natively. During last PowerPivot course in London, I have been asked the same question once more and had an interesting discussion about this severe limitation of the PowerPivot data modeling and visualization capabilities. On my way back in Italy, I started thinking at a possible solution and, after some work, I managed to make PowerPivot handle Parent/Child hierarchies in a very nice way, which...(read more)

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• Have You Heard About Project Lucy?

  - by KKline

  Lucy, You Got Some 'Splainin to Do!' Quest Software's latest community initiative, Windows Azure-based Project Lucy, has debuted! Project Lucy is part infrastructure analytics, part social media experiment, and part performance data warehouse. The best things about Project Lucy include: It’s Free - just like our SQLServerPedia website, Project Lucy is free to anyone who wants to upload a trace file It’s 1oo% web-based - you don’t have to download or maintain anything and updates roll out seamlessly,...(read more)

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• PowerPivot and the Slowly Changing Dimensions

  - by AlbertoFerrari

  Slowly changing dimensions are very common in the data warehouses and, basically, they store many versions of the same entity whenever a change happens in the columns for which history needs to be maintained. For example, the AdventureWorks data warehouse has a type 2 SCD in the DimProduct table. It can be easily checked for the product code “FR-M94S-38” which shows three different versions of itself, with changing product cost and list price. This is exactly what we can expect to find in any data...(read more)

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• T-SQL Tuesday #13 : Business Expectations

  - by AaronBertrand

  This month's T-SQL Tuesday is being hosted by Steve Jones ( @way0utwest ) over at SQLServerCentral . For some history on T-SQL Tuesday, see Adam Machanic's posts here and here . The topic this time is summarized as: "What issues have you had in interacting with the business to get your job done." Over the past 13 years, I've worked primarily on Software as a Service (SaaS) applications. A good portion of my day-to-day grind involved improving or pre-empting scale, but the next largest component of...(read more)

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• Windows Azure End to End Examples

  - by BuckWoody

  I’m fascinated by the way people learn. I’m told there are several methods people use to understand new information, from reading to watching, from experiencing to exploring. Personally, I use multiple methods of learning when I encounter a new topic, usually starting with reading a bit about the concepts. I quickly want to put those into practice, however, especially in the technical realm. I immediately look for examples where I can start trying out the concepts. But I often want a “real” example – not just something that represents the concept, but something that is real-world, showing some feature I could actually use. And it’s no different with the Windows Azure platform – I like finding things I can do now, and actually use. So when I started learning Windows Azure, I of course began with the Windows Azure Training Kit – which has lots of examples and labs, presentations and so on. But from there, I wanted more examples I could learn from, and eventually teach others with. I was asked if I would write a few of those up, so here are the ones I use. CodePlex CodePlex is Microsoft’s version of an “Open Source” repository. Anyone can start a project, add code, documentation and more to it and make it available to the world, free of charge, using various licenses as they wish. Microsoft also uses this location for most of the examples we publish, and sample databases for SQL Server. If you search in CodePlex for “Azure”, you’ll come back with a list of projects that folks have posted, including those of us at Microsoft. The source code and documentation are there, so you can learn using actual examples of code that will do what you need. There’s everything from a simple table query to a full project that is sort of a “Corporate Dropbox” that uses Windows Azure Storage. The advantage is that this code is immediately usable. It’s searchable, and you can often find a complete solution to meet your needs. The disadvantage is that the code is pretty specific – it may not cover a huge project like you’re looking for. Also, depending on the author(s), you might not find the documentation level you want. Link: http://azureexamples.codeplex.com/site/search?query=Azure&ac=8    Tailspin Microsoft Patterns and Practices is a group here that does an amazing job at sharing standard ways of doing IT – from operations to coding. If you’re not familiar with this resource, make sure you read up on it. Long before I joined Microsoft I used their work in my daily job – saved a ton of time. It has resources not only for Windows Azure but other Microsoft software as well. The Patterns and Practices group also publishes full books – you can buy these, but many are also online for free. There’s an end-to-end example for Windows Azure using a company called “Tailspin”, and the work covers not only the code but the design of the full solution. If you really want to understand the thought that goes into a Platform-as-a-Service solution, this is an excellent resource. The advantages are that this is a book, it’s complete, and it includes a discussion of design decisions. The disadvantage is that it’s a little over a year old – and in “Cloud” years that’s a lot. So many things have changed, improved, and have been added that you need to treat this as a resource, but not the only one. Still, highly recommended. Link: http://msdn.microsoft.com/en-us/library/ff728592.aspx Azure Stock Trader Sometimes you need a mix of a CodePlex-style application, and a little more detail on how it was put together. And it would be great if you could actually play with the completed application, to see how it really functions on the actual platform. That’s the Azure Stock Trader application. There’s a place where you can read about the application, and then it’s been published to Windows Azure – the production platform – and you can use it, explore, and see how it performs. I use this application all the time to demonstrate Windows Azure, or a particular part of Windows Azure. The advantage is that this is an end-to-end application, and online as well. The disadvantage is that it takes a bit of self-learning to work through.  Links: Learn it: http://msdn.microsoft.com/en-us/netframework/bb499684 Use it: https://azurestocktrader.cloudapp.net/

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• Some date math fun

  - by drsql

  Note: This concept presented is pretty simple and I am not claiming that I am the first to do this… so if you were the one who came up with this, let me know and I will give you linkage Today I was needing to get the data for the current month for a query, and it hit me that I really didn’t have a good way to do this.  There were two common methods that people use: WHERE YEAR(MonthColumn) = YEAR(Getdate()) AND MONTH(MonthColumn) = MONTH(Getdate()) But this particular method is pretty horrible...(read more)

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• An OLAP client!

  - by Davide Mauri

  While surfing CodePlex I’ve come across a very interesting tool for all BI Developers who misses a decent OLAP client where to write, run & test MDX queries http://ranetuilibraryolap.codeplex.com/ I’ve not tested it yet, but I’ll surely do this week and I’ll post my impressions ASAP. The first impression, just looking the CodePlex page, is that tool Rocks!!!!! Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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• Some date math fun

  - by drsql

  Note: This concept presented is pretty simple and I am not claiming that I am the first to do this… so if you were the one who came up with this, let me know and I will give you linkage Today I was needing to get the data for the current month for a query, and it hit me that I really didn’t have a good way to do this.  There were two common methods that people use: WHERE YEAR(MonthColumn) = YEAR(Getdate()) AND MONTH(MonthColumn) = MONTH(Getdate()) But this particular method is pretty horrible...(read more)

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• The curious case(s) of the Microsoft product naming department

  - by AaronBertrand

  A long time ago, in a galaxy far, far away... Okay, it was here on earth, a little over 5 years ago. With SQL Server 2005, Microsoft introduced a very useful feature called the DAC. DAC stands for "dedicated administrator connection"... you can read about it here , but essentially, it allows you a single connection into the server with priority resource allocation - so you can actually get in and kill a rogue process that is otherwise taking over the server. On its own this was a fine acronym choice,...(read more)

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• Survey: How's Your Economy?

  - by andyleonard

  Another quick survey question, slightly off-topic: How's your economy? Have things picked up for you recently? Slowed down? Remained static? :{> Andy Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!...(read more)

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• My Name is Andy and I Have an Associates of Applied Science Degree

  - by andyleonard

  Introduction This post is the forty-first part of a ramble-rant about the software business. The current posts in this series can be found on the series landing page . This post is about the education requirements for job listings. Bachelor’s Degree Required I’m not qualified for any job that requires a bachelor’s degree because I don’t have one. I regularly receive email from recruiters asking if I’m available and interested in a position they have open, or a position they’ve been asked to fill...(read more)

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• Storage Configuration

  - by jchang

  Storage performance is not inherently complicated subject. The concepts are relatively simple. In fact, scaling storage performance is far easier compared with the difficulties encounters in scaling processor performance in NUMA systems. Storage performance is achieved by properly distributing IO over: 1) multiple independent PCI-E ports (system memory and IO bandwith is key) 2) multiple RAID controllers or host bus adapters (HBAs) 3) multiple storage IO channels (SAS or FC, complete path) most importantly,...(read more)

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• Simple Criminal Minds

  - by andyleonard

  My favorite mother-in-law hooked my bride on the television series Criminal Minds during her last visit. I started watching the show as well, and sort of followed along. I was ok with the show until a recent episode in which Fonzie used his motorcycle to jump a shark in a pool in front of Al's. Ok, wrong show. Sort of. For those unfamiliar with the show, Criminal Minds is about the FBI's Behavioral Analysis Unit. Profilers, in other words. They're called to various places around the country to profile...(read more)

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• Microsoft SQL Server 2012 Analysis Services – The BISM Tabular Model #ssas #tabular #bism

  - by Marco Russo (SQLBI)

  I, Alberto and Chris spent many months (many nights, holidays and also working days of the last months) writing the book we would have liked to read when we started working with Analysis Services Tabular. A book that explains how to use Tabular, how to model data with Tabular, how Tabular internally works and how to optimize a Tabular model. All those things you need to start on a real project in order to make an happy customer. You know, we’re all consultants after all, so customer satisfaction is really important to be paid for our job! Now the book writing is finished, we’re in the final stage of editing and reviews and we look forward to get our print copy. Its title is very long: Microsoft SQL Server 2012 Analysis Services – The BISM Tabular Model. But the important thing is that you can already (pre)order it. This is the list of chapters: 01. BISM Architecture 02. Guided Tour on Tabular 03. Loading Data Inside Tabular 04. DAX Basics 05. Understanding Evaluation Contexts 06. Querying Tabular 07. DAX Advanced 08. Understanding Time Intelligence in DAX 09. Vertipaq Engine 10. Using Tabular Hierarchies 11. Data modeling in Tabular 12. Using Advanced Tabular Relationships 13. Tabular Presentation Layer 14. Tabular and PowerPivot for Excel 15. Tabular Security 16. Interfacing with Tabular 17. Tabular Deployment 18. Optimization and Monitoring And this is the book cover – have a good read!

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