Blog

Know-how von Experten für Experten

BI & Big Data Blog

15.08.2008
Technical Value
SQL Server 2005 | SQL Server 2008 There had been quite some posts about rounding values in MDX or on a report. For most cases we want to do the rounding in the presentation layer of the application (like with other… Weiterlesen
26.07.2008
Technical Value
SQL Server 2005 | SQL Server 2008 In a previous post I showed an example of how to return a dynamic bitmap graphic from a SSAS stored procedure and we also displayed a Win/Loss chart using this technique. Now, I just… Weiterlesen
19.07.2008
Technical Value
SQL Server 2005 In a previous post some weeks ago I wrote about calculating a quantile in MDX. Of course you could also think of using a SSAS stored procedure for the calculation as stored procedures offer the full… Weiterlesen
12.07.2008
Technical Value
SQL Server 2005 Sascha Lorenz posted the source code for creating win/loss charts in his blog . I really like this kind of charts as it is especially useful for sparklines. Sascha created the bitmap for the chart… Weiterlesen
05.07.2008
Technical Value
SQL Server 2005 I just played with a simple way to return an image from a stored procedure by returning a base 64 encoded string of the image in a certain image format (e.g. PNG or JPEG). Our sample stored procedure… Weiterlesen
01.07.2008
Technical Value
One of the great features in the current release of Mosha's MDX studio is the ability to format MDX queries. Now this feature is available online as well using this URL: http://mdx.mosha.com/ . For more details see… Weiterlesen
29.06.2008
Technical Value
SQL Server 2005 In the last post we discussed some background on statistics. Now let's turn this into a KPI target. If the parameters of the test are well known in advance the limits for our KPI can be computed for… Weiterlesen
28.06.2008
Technical Value
Rafal Lukawieki did a great presentation about data mining. The video is available at the Microsoft homepage and it's actually a level 400 session (although named "Introduction into Data Mining). But it also contains… Weiterlesen
21.06.2008
Technical Value
SQL Server 2005 This entry is not much about OLAP or MDX but gives some background on statistical tests that may be very useful in designing meaningful KPIs based on statistical hypothesis tests . In KPIs we usually… Weiterlesen
16.06.2008
Technical Value
Mosha wrote a nice tool for testing and debugging MDX queries. It can be downloaded via Skydrive: http://cid-74f04d1ea28ece4e.skydrive.live.com/self.aspx/MDXStudio/v0.2.6/MDXStudio.exe The tool is really helpful and… Weiterlesen
16.06.2008
Technical Value
SQL Server 2005 Microsoft MDX offers a huge set of mathematical function, which can be further enhanced by using Excel-functions. Excel-functions may be called as Excel!functionname but the performance for this… Weiterlesen
13.06.2008
Technical Value
Fortunately, Microsoft offers the whole starter kit for SQL Server Analysis Services in its SQL Server 2005/2008 Developer Edition. The Developer Edition also includes samples and tutorials to get you started building… Weiterlesen

Newsletter Anmeldung

Abonnieren Sie unseren Newsletter!
Lassen Sie sich regelmäßig über alle Neuigkeiten rundum ORAYLIS und die BI- & Big-Data-Branche informieren.

Jetzt anmelden

Unsere Website benutzt Cookies, um bestmögliche Funktionalitäten bieten zu können. Durch die Nutzung unserer Website, erklären Sie sich mit der Verwendung von Cookies einverstanden. In unserer Datenschutzerklärung finden Sie unter §5 Informationen und Links, wie Sie diesen Maßnahmen jederzeit widersprechen können.

Datenschutzerklärung