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RELATIONAL CONDITION:
We know that a relational condition specifies a comparison between two operands and has the form.
Operand-1 relational-operator operand-2
where the relational-operator can be anyone of the shown below:
IS [NOT] GREATER THAN
IS [NOT] > THAN
IS [NOT] LESS THAN
IS [NOT] < THAN
IS [NOT] EQUAL TO
IS [NOT] =
It was acknowledged earlier that the operands can be an identifier or a literal. Though, either operand can also be an arithmetic expression but should contain at least one reference to an identifier. Occasionally, operand-1 and operand-2 are respectively referred to as the subject and object of the relational condition.
Display control verbs in Cobol
Example of Sign condition: The illustration below describes the use of the sign condition. Illustration: 77 BALANCE PIC S9 (6) V99. . . I
CLOSE STATEMENT: When the processing of a file is completed, then the file may be closed. This is completed with the help of the CLOSE-verb. The form of the CLOSE statement is
calculate simple interest
Example of Write statement: Illustration: (i) WRITE TRANS-RECORD AFTER ADVANCING 3 LINES. This WRITE statement specified that the TRANS-RECORD is a record name of a fi
READ STATEMENTS: The common format for the read statements is as shown bellow. Format 1: READ file-name RECORD [ INTO identifier ] [ ; AT END imperative-s
Transaction file : A transaction file is a file which contains new records those changes to old records which are used to update the master file. The problem of file updatio
Illustration of Renames clause: In the illustration, PAT-OTHER-THAN-BASIC will become a fresh group consisting of DEARNESS-ALLOWANCE, HOUSE-RENT & MTHLY-INCENTIVE. Keep in min
COBOL Words: The COBOL word can be formed by using the characters as shown below: 0-9 A-Z (a-z) - (hyphen) The rules below should be hold in forming the COBOL words.
Identification Division: The Identification Division is the first division of each and every COBOL source program. The paragraph PROGRAM-ID is necessary in most of the mac
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