Analysis At the Speed of Thought - Mustafa Hussain ... - BI User Group
Analysis At the Speed of Thought - Mustafa Hussain ... - BI User Group
Analysis At the Speed of Thought - Mustafa Hussain ... - BI User Group
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OLAP Terminology<br />
• Dimensions<br />
• Represent how <strong>the</strong> data is accessed.<br />
• Usually represent a person, place, thing, or concept.<br />
• Answers <strong>the</strong> who, what, when, or where part <strong>of</strong> a question.<br />
• Presents <strong>the</strong> “how” or “by” part <strong>of</strong> <strong>the</strong> question.<br />
• Hierarchy<br />
• A hierarchical view <strong>of</strong> a dimension<br />
• E.g. Date Dimension with a calendar hierarchy<br />
• All Dates • All Dates<br />
•• Year<br />
••• Quarter<br />
•••• Month<br />
••••• Date<br />
•• 2009<br />
••• Q1-2009<br />
•••• Jan 2009<br />
••••• 1-1-2009
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