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Chris Webb MVP can, to quote a friend of mine can, “Make MDX sound interesting”. I have to say when I first when on a course on MDX the tutor went for the “Make MDX confusing and boring” approach. Chris has recently coauthored a book on Expert Cube
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This simple design, popped up in my inbox today asking for advice… What you need to understand about this diagram is that there is a concatenated key (keys are in BOLD ) on each of the orange dimension tables, with one part of that key being CompanyID.
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Day 14 of my virtual advent calendar, about stuff I like in SQL Server 2008.. If it aint broke don’t fix it, is probably best aimed at Integration Services in SQL Server 2008. So what was ‘fixed’? The most important thing was the performance of
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Day 2 of my virtual advent calendar, about stuff I like in SQL Server 2008.. Following on from my previous post, in some data warehouses there is a separate dimension for time of day, so that demand through a day can be modelled. Storing time in SQL server
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There is no possible connection between databases and Christmas, so I simply wanted to share 24 my favourite bits and bobs that are in SQL Server 2008…. The new date data types in SQL server crack a problem I have had since I started BI as there is (nearly)
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The new Merge T-SQL command has great potential in a data warehouse scenario and Integration Services is the tool in SQL Server to load the data warehouse so how do they fit together in SQL Server 2008? The answer is not really and I am not sure they
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If you have been following this blog over the last few days, then we are at the stage we know what we want to measure to get the pulse of our business and we have all of that on a scorecard. However just because we are measuring performance doesn’t
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If you glance to the side of this post you will see that one of the few books on my bookshelf is the Microsoft Data Warehouse Toolkit , and so I am annoyed that I can’t make the course of the book, presented by the authors, Joy Mundy and Warren Thornthwaite
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You would expect there to be a record and hopefully only one record for each sales person in a typical sales system and another record in another table for each of the customers. But what happens when a one of these sales people gets assigned to a different
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What's different about a data warehouse is that all of the information from the line of business or source systems gets rearranged into two types of information: Dimensions contains a group of descriptive attributes. An example is a product where we have
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The terms Business Intelligence, Data Warehousing, and Data Marts are used interchangeably by many people so I thought it would be good to explain the differences. The data warehouse is the repository for all the data to be analysed and reported on without
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