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Cube Storage and Aggregation > Using the Default Storage: MOLAP

Using the Default Storage: MOLAP

From earlier chapters, you may remember that to view structural changes to your cube, you must process the cube in BIDS and then deploy the changes to Analysis Services. To understand what is happening during this process, you must first be aware of what you are creating when you design and build BI objects (such as DSVs, cubes, dimensions, and so on) using BIDS. Although you are working in a GUI environment, commands in the XMLA SSAS metadata language are being generated.

XMLA (XML for Analysis)

XMLA (XML for Analysis) is an open standard XML dialect that is used for client-server communications between OLAP servers. XMLA describes its messages in a SOAP-style format designed to access multidimensional databases that contain OLAP cubes. (SOAP, Simple Object Access Protocol, is a type of XML dialect.) XMLA will sometimes also contain Multidimensional Expressions (MDX) queries. XMLA is the language of cube metadata. This language includes many methods that allow you to view or modify cube information; two examples are the Discover and Execute methods. For an example of XMLA that uses the Create method, see Figure 7-1. For a complete list of XMLA methods, see the BOL topic "Using XML for Analysis in Analysis Services (XMLA)."


  

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