SSAS Cubes & Hierarchies

1. Cubes & Hierarchies Ram Kedem

11. Copyright 2014 © Ram Kedem. All rights reserved. Not to be reproduced without written consent. ramkedem.com “Publishing” an SSAS Project • There are three distinct phases when “publishing” as SSAS project : • Build – Project file structure are being verified. In addition several local files are being created. • Deploy – Sends files from the build process to the target server. • Process – Reads data from the source and build the dimension and cube structures.

20. Copyright 2014 © Ram Kedem. All rights reserved. Not to be reproduced without written consent. ramkedem.com Hierarchies • Most dimensions contain data that is hierarchical in nature • Time : Year => Quarter => Month => Day • Geography : Country => State => City => Postal Code • An SSAS dimension may contain zero to many hierarchies • Hierarchies represent the way users expect to explore data at more detailed levels. • You can organize attribute hierarchies into levels within user hierarchies to provide navigation paths for users in a cube.

21. Copyright 2014 © Ram Kedem. All rights reserved. Not to be reproduced without written consent. ramkedem.com Terminology • A hierarchy is made up of multiple levels • Year, Quarter, and month are all levels of a Calendar hierarchy • A member is a specific value at a particular level • 2008 is a member at the Year level • June-07 is a member at the Month level • A user hierarchy can represent a natural hierarchy, such as city, state, and country, or can just represent a navigation path, such as employee name, title, and department name.

SSAS Cubes & Hierarchies

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