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WOLAP software

WOLAP software

Can anyone point me in the direction of somewhere that I can find reviews on Web OLAP products, including features, benefits and disadvantages?

any help would be apriciated


RE: WOLAP software

I have heard of MOLAP, ROLAP and HOLAP I have never heard of or come across WOLAP.

RE: WOLAP software

From your description of WOLAP I would say that Cognos 8 DMR should be considered a candidate. You basically build a dimensional model on top of a relational one and access this model through a WEB interface. It pretty much works like a virtual cube. No data is pre-stored, each query call triggers a query against the relational source.

Biggest (possible) drawbacks are performance (as nothing is pre-computed) and load on the database

Ties Blom

RE: WOLAP software

Thanks, im looking for an unbiased information source that reviews one or more WOLAP products, do you have any ideas where I could find this information?

RE: WOLAP software

OLAP Report but it isn't cheap.

RE: WOLAP software

O.K thanks,

In the event that a company allready has a data warehouse and data marts set up and they use client / server OLAP tools direct on these data sources... if they wanted to expand to allow OLAP functionallity via the web then does this mean that they would have to find a WOLAP solution and transfer all there data structures over, or would it be possible to connect to their existing data structures using some new web software and keep there existing OLAP client / server software inplace?

I understand that this is a very broad question considering the lack of information about their current solution, but asuming that you dont have this information, in general is it possible to purchase WOLAP software that plugs into their  existing data warehouse and data marts?

Any help would be appriciated

RE: WOLAP software

'Plug in' is possibly too easily described. Most tools will use a metadatalayer between the physical data and the reporting tools. In any case the biggest BI vendors have their own solution to applying a metadata model to a DWH/Datamart. Once this component is defined you then build against this model (and not directly against the database)  

Ties Blom

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