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Using the report wizard you create a tabular report to display all the columns in the EMP table. The records are ordered by the deptname and job columns. You need to create a hierarchical report that breaks on the deptname and job values. Using the data model how would you create this break structure?（）
A:Specify the break order on the gemp group Property palette. 
B:Specify a break order on the dept_name and job columns property palettes. 
C:Click and drag the dept_name and jobs column out and above of the gemp group to create a new parent group. 
D:Change the position of the dept_name and the job columns within the gemp group.

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出自：Oracle认证

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