翻訳と辞書
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・ Control (novel)
・ Control (Pedro the Lion album)
・ Control (psychology)
・ Control (Puddle of Mudd song)
・ Control (Traci Lords song)
・ Control Alt Delete (film)
・ Control and indicating equipment
・ Control and Resistance
・ Control area
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・ Control Arms Campaign
・ Control array
・ Control banding
・ Control Bhaji Control
・ Control booth
Control break
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・ Control cab
・ Control cable
・ Control car (rail)
・ Control Car Remote Control Locomotive
・ Control card
・ Control center
・ Control Center (iOS)
・ Control channel
・ Control character
・ Control chart
・ Control city
・ Control commission
・ Control communications


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Control break : ウィキペディア英語版
Control break

In a computer program, a control break occurs when there is a change in the value of one of the keys on which a file is sorted which requires some extra processing. For example, with an input file sorted by post code, the number of items found in each postal district might need to be printed on a report, and a heading shown for the next district. Quite often there is a hierarchy of nested control breaks in a program, e.g. streets within districts within areas, with the need for a grand total at the end. Structured programming techniques have been developed to ensure correct processing of control breaks in languages such as COBOL and to ensure that conditions such as empty input files and sequence errors are handled properly.
With fourth generation languages such as SQL, the programming language should handle most of the details of control breaks automatically.


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Control break」の詳細全文を読む



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