BI Theory #5: What are databases?

Just a quick disclaimer – I don’t intend on getting too technical with databases. The target audience for this article is still your everyday office worker rather than a database administrator or IT professional.

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What is a database?

A database stores and organizes digital information. The way data is organized within the database allows it to be specialized for different scenarios. This results in different types of databases. Continue reading “BI Theory #5: What are databases?”

BI Theory #4: Where to get Power Query and Power Pivot

Now that you know the basic idea behind Power Query and Power Pivot it’s time to start downloading them! (if you have no idea what I’m talking about you may want to read my earlier posts here [1], [2], [3])

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The thing to remember is that Power Query and Power Pivot aren’t just Excel features – they pop up in a few places and if you know how to use them in one application you can easily use them in another.

See below for some housekeeping on where to get access to Power Query and Power Pivot. Continue reading “BI Theory #4: Where to get Power Query and Power Pivot”

BI Theory #3: PQFL (“M”) vs DAX

See here on why you might want to learn these languages for Power Query and Power Pivot, and see here for where they fit within creating a data model that you can analyse to get quick insights.

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In this post I hope to give a brief comparison of M (formerly “PQFL”) and DAX. Continue reading “BI Theory #3: PQFL (“M”) vs DAX”