Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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A count-controlled loop must possess three elements:
Transcribed Image Text:A count-controlled loop must possess three elements:
1.
It must initialize a control variable to a starting value.
It must test the control variable by comparing it to a maximum value.
When the control variable reaches its maximum value, the loop terminates.
It must update the control variable during each iteration.
This is usually done by incrementing the variable.
4
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When the number of iterations to occur is already known, a count-controlled loop is used.Because it uses a counter to keep track of how many times the algorithm has iterated, a count-controlled loop gets its name.
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