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ADD and SUBTRACT CORRESPONDING:
The CORRESPONDING option can also used with the ADD and SUBTRACT verbs. The following are some of the formats of these verbs with the CORRESPONDING option.
In the situation of the ADD statement, the numeric elementary items in the group referred to by identifier-1 are added to and stored in the equivalent elementary items of the group named in identifier-2. In the situation of the SUBTRACT statement, the equivalent numeric elementary items of the group referred to by identifier-1 are subtracted from and are stored in the equivalent numeric elementary items of the group referred to by identifier-2.
IF ... ELSE STATEMENT: We are familiar with an easy form of the IF statement. The common form of the IF statement is as shown below: Each of the statement-1 and statem
Minus sign - edit characters for numeric data: The minus sign can appear either at the leftmost or rightmost location of the picture. If an item is negative, a minus sign will
Example of Nested if statement: Illustration: Consider the following sentence The nested IF sentence holds two IFs and one ELSE. The IF-ELSE couple has been marke
Illustration of Subtract verb: (a) SUBTRACT A FROM B. This illustration means that the value of A will be subtracted from the value of B and the subtracted result will be s
Floating Insertion The currency symbol ($) can emerge in multiples on the left-hand side of the picture. In this situation the character will be treated in similar way as t
RELATIVE FILES: The Files that are stored on a direct access storage medium like magnetic disk are frequently known as direct access files. The COBOL supports three different
DELETE STATEMENT: The format of the delete statement is as shown below: DELETE file-name RECORD [ ; INVALID KEY imperative-statement ] Whenever the ACCESS MOD
Non numeric: The nonnumeric literal is used in normal to output messages or headings. The Characters which are enclosed between " " constitute nonnumeric literal. The maximum
PROCEDURE DIVISION statements for the relative files: The statements OPEN, CLOSE, READ, WRITE and REWRITE that are available for sequential files are also available for the re
Block Size: The normal practice is to group a number of consecutive records to form that is termed as a block or a physical record. The number of records in a block is frequen
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