Tableau - Tableau is more of a data mining tool as opposed to a data reporting tool. Tableau is for those users who like to drill into their data to find the outliers or opportunities. So this would similar to SSAS (SQL Server Analytic Services)
QlikView - Qlikview is more of a data reporting tool for dashboards and reports. The great thing about QlikView is that it has its own ETL tool of sorts. It works with 3 layers. Layer 1 - Extract, Layer 2 Transform, and Layer 3 Load. So it gives you a lot of flexibility to create exactly what your client needs to see. The unfortunate piece of QlikView is that you need to tee up the data from the data warehouse for the tool. In other words, my client has found it more valuable to perform the Tranforming of the data from the warehouse and then serve it to QlikView in a nice package. My client finds the tool easy to use but then again, see the previous note on how we serve up the data.
Microstrategy - Enterprise Data Reporting tool. Easy to use for the client to create adhoc reports or to use as a reporting engine. Some clients are looking at Microstrategy for its Mobile capabilities.
Business Objects - Enterprise Data Reporting tool. Easy to use for the client to create reports. I've seen this tool most in SAP shops that use this as their BI tool. I've seen this used in cubes as well as adhoc reporting. Not as robust as a Microstrategy.
Cognos - Data reporting tool. More in line to create reports and serve as a reporting server.
SSRS - SQL Servers reporting Engine - Great to serve up reports. Really need a SQL developer to create the reports for the end users.
Power BI - Microsofts Ad Hoc reporting engine. New tool that takes PowerView, Power Pivot and throws it into an easy to use tool with Excel like functionality. Great addition to Microsofts other suite of reporting services. If you take into account that Microsoft has basically given their clients a roadmap for Adhoc reporting, dashboard reporting, repository space, and an EDW solution.
This is a far cry from all of the reporting tools that are out there but at least you get a flavor for what is available. There are more tools available, Pentaho, Hyperion, etc and the key thing to remember is that whatever tool you choose, you have to keep in mind that you need to support said tools. So take Pentaho for example. How many Pentaho developers are available in your market? If you really like the tool, then do you have the folks in house to learn the skills to become the SME for this tool? All of these factors need to be accounted for when choosing the best BI tool for your organization.
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