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Control break processing is a technique used to process a sorted sequential file that contains groups of records with common values in one or more fields which are designated as the control fields. An example of a control field would be the sale date in a file of sales records for a particular month.

One of the most common reports used in transaction processing is the "control break" report. These reports require that one or more reports columns have subtotals as the categories of the columns change.

When the Control Field value changes, this is a "Control Break". In a report, this is the time to do something to differentiate from the other customers, in this example: print a total, indicate some different line/page spacing to make it easy for a user to "see" the "break". You can have multiple Control Fields.

Control break processing is used to execute a piece of code whenever a specific condition in the data is detected during the processing of internal table loop. The following control break statements are available with in LOOP and ENDLOOP. AT FIRST / ENDAT. AT LAST / ENDAT.

Programmers apply a control break program, as making changes in a value start unique events or processing. For example, as shown below, the control break programs to arrange the output for a program that holds the information report. It examines the similar field in every record.

One of the most common reports used in transaction processing is the "control break" report. These reports require that one or more reports columns have subtotals as the categories of the columns change.

EXIT FUNCTION , EXIT METHOD , EXIT PROGRAM marks the logical end of a module of code. EXIT PERFORM breaks out of a inline perform loop. EXIT PERFORM CYCLE causes an inline perform loop to begin the next iteration.