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 computer language allows for array indexing with character subscripts, such as CHR_ARRAY['A':'D']. In this example, the array members are CHR_ARRAY['A'], CHR_ARRAY['B'], and so on, and the index is denoted by the ordinal number (ORD) of the characters, namely, ORD('A') = 1, ORD('B') = 2, ORD('Z') = 26, and so on.
62 A Data Structures and
Beginning at position 500, two arrays TEMP[1:5, -1:2] and CODE['A':'Z', 1:2] are now kept in memory. Furthermore, CODE supersedes TEMP in storage. Determine the locations of (i) TEMP[5, -1], (ii) CODE['N',2], and (iii) CODE['Z',1].
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