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The character mode sales report is stored on the network drive as a .REX. You need to make changes to the report layout. Using the report builder how would you change this file?（）
A:Open the file using the menu option file->open make the changes and recompile the report. 
B:Convert the file into .REP file using the report compiler make the changes and convert the file back to a .REX file. 
C:Execute the R30CONV command to convert the file to a .RDF file, make the changes and convert the file back to a .REX file. 
D:Choose file -> administration->compile. Convert the file to a .REP file, make the changes and convert the file back to a .REX file. 
E:Execute the R30CONV command to convert the file to a .REP file, make the changes and convert the file back to a .REX file.

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出自：Oracle认证

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