Creating Cross-References for a Data Source
To create cross-references for a data source
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In the Server Manager tree, expand
Global Configuration and then the Data Source Types folder.
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Right-click the data source for which you wish to create cross-references and then click Modify System Cross References.
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In the System Cross References dialog box, choose the Plant Applications Item type for which you want to create cross-references. Note that relevant column headings appear in the main window. Click Add New at the bottom right of the dialog box to open the Search dialog box.
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Use the Search dialog box to locate and select the Plant Applications items you wish to add. When you have made your selection, click OK to close the Search dialog box. The selected items now appear in columns in the System Cross References main window.
Items previously mapped to the current data source will not be returned in a search.
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In the Foreign Key column, for each line item enter the key ID for the external system.
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To map a foreign key to an alias, enter a name for the alias in New Alias, and then click Add. You can then enter the foreign key for the alias.