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Data Extraction

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• Production Data Extractors

• DataSource Replication

• R/3 Extraction Process

• Non-R/3 Extraction Process

• Scheduling

• Monitoring

OLTP Extraction

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R/3 Production Data Extractor

• Supports multiple R/3 releases beginning with 3.0D.

• Integration to DataSources provided by SAP OLTP system.

• Data transferred using either IDOCs or TRFCs to carry the data.

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DataSource Replication for R/3 OLTP

R/3 OLTP

Extract StructureExtract Structure

BW Server

Transfer StructureTransfer Structure

Transfer StructureTransfer Structure

DataSourceReplication

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HR CO FI LO EC

R/3 OLTP

Meta dataMeta data Data ExtractorData Extractor

• InfoSources

• Transaction data

• Master Data Descriptions

• Attributes

• Hierarchies

• Currency conversion rates

• Full update / Delta update

Extraction from R/3 OLTP

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BW Server

Aggregates, ODS’ andInfoCubes

Aggregates, ODS’ andInfoCubes

Update Rules

Update Rules

UR1UR1 UR2UR2 UR3UR3

Master DataHierarchies

Texts

Master DataHierarchies

Texts

Info Sources

Info Sources

Sales dataSales data HR adminHR admin CustomerCustomer

• Update process serves

• ODS Objects• InfoCubes • Master data

• Update Rules• Field to field• Currency

conversion• Time conversion• Grouping• Fixed values• Formulas• Conditions ...

Update Process

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Non-R/3 Data Sources• Third party data extraction and load tools

• Third party tool represents Source System with multiple InfoSources

• Meta data exchange through BAPI

• Consistent update through BW transformation and update rules

• File interface

• Mapping based on meta data

• Fixed and variable record length

• CSV-format (i.e. Excel)

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External Data ‘Extraction’ – Remote Cubes

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SAP BW Remote Cube

• Replace reporting tools in OLTP systems wherever possible

• Uniform and modern user interface

• Cross application reporting

• Real-time access to transaction data in the operative system(s)

• Direct access versus replication

• Reuse of the existing BW infrastructure

• Extractors

• Service API

• BW meta data model

• Transfer rules

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Limitations

• Only for transaction data

• Suitable only for small volumes of data

• Few end users

• Additional requirements for the extractors

• Selective for the most important characteristics

• Pre-aggregation (if appropriate)

• No Inversion of Customer Exits (in SAPI)

• Available from OLTP-Release 4.0B on