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Tableau from a SQL Server guy – Part 2
As I mentioned in my previous post, I have been playing with Tableau Desktop in my spare time. I am just experimenting with it and there are no structured instructions that I am following. In this...
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Hide a specific attribute hierarchy in role playing dimension – SSAS...
Role playing dimension is a dimension which plays different roles in a fact table. In SSAS multidimensional, a role playing dimension can be used across different cubes and measure groups. Date...
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Sieve of Eratosthenes in R and SQL
I just completed Computing for Data Analysis on Coursera. The course is brief introduction to R programming language. R has been around for years but is gaining much attention recently due to Big Data...
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Microsoft BI ranks highest in ability to execute by Gartner
Reblogged from business intelligist: Microsoft once again is ranked the highest in its ability to execute by Gartner in its magic quadrant for Business Intelligence. The report is pretty long and...
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SQL Server Logical Query Processing summary
Reblogged from Alessandro Alpi's Blog: Usually I found some questions on the forums about that topic. For instance: "WHERE or HAVING?" "Is the ON clause more efficient than the WHERE clause?" "Why the...
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Run SQL scripts from a folder using sqlcmd
This is a very short post about a very useful tip. I came across here on stackoverflow and it certainly deserves a post. Many thanks to the answerer and I think this is his blog. I already follow it...
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Microsoft Data Explorer for Excel 2010/2013
Chris Webb posted about Data Explorer being available for public preview and I thought I will give it a quick spin. You can download it here . The installation is pretty straightforward. After the...
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SAP Visual Intelligence vs. Microsoft PowerPivot and PowerView
Reblogged from business intelligist: In this post I will review the latest version of SAP Visual Intelligence – 1.08 – and see how it stacks up against the Microsoft self-service BI tools, Excel,...
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OLE DB data source in SSIS returning no records when using table variable
The other day I stumbled across a strange situation while working on a SSIS package. The package contained OLE DB datasource task using ‘SQL Command’ data access mode. This SQL command contained a...
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GeoFlow Public Preview Available
Reblogged from Chris Webb's BI Blog: First big news from the PASS BA Conference: the public preview for GeoFlow is now available. You can download it here:...
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SSAS on Windows Azure Virtual Machines
Reblogged from Chris Webb's BI Blog: You may have already seen the announcement about Windows Azure Virtual Machines today; what isn’t immediately clear (thanks to Teo Lachev for the link) is that...
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Building data model for SSAS Tabular
I have started preparing for Microsoft Certifications on SQL Server 2012 and I am spending a fair amount of time with SSAS Tabular since it’s the newest addition to MS BI stack and the one which I am...
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Welcome SQL Server 2014!!
I have been away from my blog for a while. Although, I try to write something every now and then, I just couldn’t bring my self to write anything this past month. I am hoping I will get into regular...
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To Truncate/Reload or Not to Truncate/Reload, that is the question.
I have seen many a data warehouses which are completely emptied very night and reloaded again. This is a perfectly fine ETL strategy. Many would argue that those are not data warehouses in strict sense...
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Why I don't buy the Big Data "Red Hat of Hadoop" Story
Reblogged from Emergent Business Networks: It's official. As of 19 August 2013, Big Data has officially past the "peak of inflated expectations" and is hurtling down the rollercoaster ride to the...
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Select distinct values from multiple columns in same table
Selecting a distinct value from a column is no rocket science, but what if you want distinct values from two, three or more columns from a table. I don’t want a distinct combination of values from...
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Large date dimensions in SSAS
I would like to share two simple tips on date dimension if the date range in your date dimension is large and uncertain. A brief background I was recently working on a project where I was faced with...
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Introduction to R
In this post, I would like to give a brief intro to R. R has gained tremendous popularity in recent past and many people want to know just what R is without getting into too many details. So here it...
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Displaying last cube processed time in SSAS
Recently, while browsing a cube excel, an end-user asked me when was it last processed? I had no quick answer and so had to connect to the SSAS server in management studio and check the properties of...
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Table variables are fast but #Temp tables are faster!!
This blog is sort of note to myself. Use-temp-tables-instead-of-table-variables-when-the-number-of-records-is-large. There it is and I promise to remember that every time I write DECLARE @something...
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