Crystal Reports for Eclipse Designer Guide
Linking multiple tables
If the report contains data from two or more database tables, they need to be linked at this point when creating reports.
Note
:
It isn't necessary to link tables in reports created from a query or command because any links required by the data have already been processed.
In this section:
To add and link multiple tables
SAP BusinessObjects
http://www.sap.com/sapbusinessobjects/
Support services
http://service.sap.com/bosap-support/
Product Documentation on the Web
http://help.sap.com/