When comparing SAP Datasphere to the traditional SAP BW system, several technical limitations become evident. Here are some of them listed out:
1 Mature Feature Set / Functionality
Gap
SAP BW has a
more mature and extensive feature set due to its long history, including
advanced data modeling, ETL capabilities, and built-in analytics, which SAP
Datasphere may lack. As an example:
·
OLAP
Engine/BW Analytical Manager functionality not supported e.g., no analysis
authorizations, no query as InfoProvider, no query execution, no calculation of
non-cumulative key figures (Inventory management)
·
No
add-ons (e.g. SEM-BCS) supported
2 Data Modeling related to SAP HANA
·
Generation
of External SAP HANA Calculation Views not possible
·
Not
possible to use SAP HANA Calculation Views as part of Composite Provider
·
No
planning scenarios supported
·
Temporal
joins in Composite Provider supported
·
Many
processes used process chains are not supported (e.g. ABAP program execution
process, archive, job event, BODS related processes etc.)
·
Ambiguous
Joins not supported
·
BADI
Provider as PartProvider not supported
·
Open
ODS View without calculation scenario not supported
3 Data Integration
·
Connection
to source systems supported only via ODP technology as well as push scenarios
only.
4 Performance and Scalability
·
Current
sizes of datasphere instances are limited to 4TB, which may not be enough for
some organization that runs bigger BW systems than that.
5 Reporting and Analytics
·
No
BW (BEx) query support
·
User
Exit BW (BEx) variables
·
Unit
conversion
·
Constant
selections in BW (BEx) reports
·
No
BW (BEx) Query variables support in DTP’s filters
6 Application development
·
Applications
development is not supported. Only applications to be done using SAP BTP.
7 UI/UX
·
No
SAP GUI access
These technical limitations highlight the areas where SAP Datasphere is still catching up to the more established and mature SAP BW system. As SAP continues to develop Datasphere, many of these limitations may be addressed over time.
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