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A Logical View
Storage mapping a physical representation of data
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algorithm applications array B-tree begin binary search binary tree bubble sort bytes chapter character COBOL COBOL Program contains control interval cylinder data type database system deleted digits disk efficient entry example field Figure file organization file processing file system hash function hash table heapsort identify implemented included indexed sequential input insertion integer Interchange internal sort key value language leaf nodes linear probing linked lists loop master file master record memory MOVE multilist newkey nondecreasing order number of comparisons operations output overflow area Pascal Pascal Program PERFORM physical pivot pointer primary key primary key values probing procedure query quicksort random recursive secondary key selection sort sequential access sequential file sequential search sort merge sort methods sorted file space specified split statement storage devices stored string structure tape track transaction unsorted update variable VSAM