Can anybody give me example of subscript and index

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Question Posted / pradeep

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Can anybody give me example of subscript and index..

Answer / billyboyo

In IBM Cobol there are two methods of accessing elements in
a table (array). By subscript, which you explicitly define
in the Data Division or by index, which is implicitly
defined by the compiler.

01 subscript-for-table COMP PIC S9(4).

If you want the 20th item, set the above to 20 and use
field-looked-for (subscript-for-table).

An index is the displacement of an item from the start of a
table. For a subscript, the displacement, which is needed
to find the item, is calculated at run time (from the
subscript and the length of the data item(s)). So an index
is faster, but is generally considered more complex to use.
Some features, like SEARCH ALL, require the use of an INDEX.

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Can anybody give me example of subscript and index..

Answer / arya

number of occurences are called subscript.............

number of dispositional position are called index...........

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Can anybody give me example of subscript and index..

Answer / krishna

Subscript means occuresses, it can declared in WS-section
index means displacement,need not be declared

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Can anybody give me example of subscript and index..

Answer / pandu

Subscript is sequential reading Index is direct reading of
perticular position of record

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Can anybody give me example of subscript and index..

Answer / mahii

index is no of occurance we can find data exactly

subscript is displacement mainli its is used in arrays to
load the data

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