Virtual Fields Generator
You can create virtual fields to plan table-related analyses of custom tables and tables for which no virtual fields have yet been created.
Table Analysis (transaction TAANA
) extracts information from the data fields in the table. For example, you can extract the year and month from a date field.
Activities
To create a virtual field:
Select a managed system.
Select whether you want to create a virtual field containing a year or a month value.
Enter the table and field for which you want to create the virtual field.
Choose
Create
.
More Information
For more information about table analysis and virtual fields, see the Application Help on SAP Help Portal at 
http://help.sap.com/nw_platform
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Application Help
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Solution Life Cycle Management
Data Archiving
Data Archiving in the ABAP Application System
Data Archiving with Archive Development Kit (ADK)
Table Analysis
and Analysis Variant
Virtual Fields
.