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Open the schema, tool map schema, or data file to which you want to compare another file.
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Click File > Compare with File, and then point to the type of file you want to compare with the currently open file.
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To select the type of comparison that you want, do one of the following:
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To do a full comparison and view comparison results only, click Full Comparison > Display Results.
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To do a full comparison and view comparison instructions only, click Full Comparison > Display Instructions.
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To do a full comparison and view both comparison results and instructions, click Full Comparison > Display Both.
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To compare using a view definition, click Using Views.
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To compare and choose the objects to add, update, or modify, click Selectively / Update.
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Browse to the file to which you want to compare the schema, data file, or tool map schema.
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If the View File Type Instructions dialog box appears, click the view in which you want to display the comparison results, and then click OK.
If you do a full comparison and only want to view comparison results or if you do
a comparison using views, you are not required to select the view in which you want
to display results.
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After you do a full comparison, you can review the comparison instructions that would be generated by the software if one file superseded the other. You can review these comparison instructions using the appropriate Instructions command on the View menu. For example, to view schema instructions, click View > Schema Instructions > Tree/Table.
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You can save instructions by clicking File > Save > [FileType] Instructions, where [FileType] is the type of file for which you want to save instructions. For example, to save data instructions, click Data Instructions on the Save submenu.
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If you selectively update objects, any addition, update, or deletion you make changes the file you are comparing. You need to be cautious about the selections you make and aware of their impact.