SAP HANA: Information Models
SAP HANA's Information models are organized in packages
- Attribute Views = Dimensions
- Analytic Views = Cubes
- Calculation Views = similar to virtual provider with services concept
(BW)
- Graphical
- Script (SQL Script, CE Functions)
- Calculation View enhanced with
Analytical View
- Analytic Privileges
- Procedures
- Decision Tables
- Persistency Considerations
- Scenarios = different requirements and
persistency models = checklist
- Write
or read intensive scenarios = Criteria for storage type
- Write-intensive scenarios = smaller system tables = row storage
- Read-intensive scenarios = column storage
- Real-time
Data access
- Support of table type, and data type
- Capability of data type
transformation
- Authorization
- Authorization and privilege
configuration applies to Attribute views, Analytic Views, and Calculation Views
- Application/Client
- SAP Business Objects Explorer è does not support filters in the
queries on design time
- Hierarchies è Supported by only SAP
BusinessObjects Analysis and Excel
- SAP BusinessObjects WebIntelligence è always retrieves and caches the max
result set
- Only Explorer, Excel & Analysis
do currently consume additional meta data, e.g. multi language support
- Functionality
- Some complex algorithms can only be
expressed in L language
- Currency conversion is supported only
in Analytic and Calculation views
- A union can only be performed in a
calculation view
- Performance
No comments:
Post a Comment