There are some current issues around HANA when delivering ad-hoc analytics, especially when using the SAP BusinessObjects Webi tool. Essentially the problem is that you can ask computationally very difficult questions with Webi, which can cause very long response times with HANA. SAP will need to build optimization for both Webi and HANA to reduce the computational complexity of these questions, but they're not there yet.
What's more, it's worth noting that HANA 1.0 is not a Data Warehouse and it is more of a Data Mart - that is, suited to point applications where there is a clear use case.
What's more, it's worth noting that HANA 1.0 is not a Data Warehouse and it is more of a Data Mart - that is, suited to point applications where there is a clear use case.
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