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Sams Teach Yourself COBOL in 24 Hours by Thane Hubbell

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Hour 20Advanced Reporting

To make good use of the data collected on a daily basis, the data must be analyzed and reported. Quick reactions to trends and activity can lead to greater profits or prevent disaster. However, simple reports showing detailed activity do not always help businesses react. Consequently, you frequently need to produce more than a report of detailed data items.

This hour covers concepts relating to advanced reporting, including topics such as

• The definition of control breaks

• Determining the proper hierarchy of control breaks

• Subtotaling

• Walking through a program with control breaks

Advanced reports often contain summary information that is gathered from individual transactions. This summary reporting can yield a ...

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