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SIGN CONDITION:
The sign condition establishes whether or not the algebraic value of an operand is negative, positive or zero. The operand can be either the numeric identifier or an arithmetic expression. The format of this condition is as shown below:
When an arithmetic expression is used, it should contain at least one of the identifier. The POSITIVE option establishes the value of the condition to be true only if the value of the operand is firmly positive. This means that the zero value is not considered as positive.
COMPOUND CONDITION: The two simple conditions can be connected by the logical operators AND or OR to form a compound condition (also termed as combined condition). When two co
what does it used
LABEL RECORD CLAUSE: This clause specifies whether or not the standard header and trailer labels must be present in the magnetic-tape files. VALUE OF CLAUSE: The VAL
Introduction to COBOL: In the year 1959, a new language named the COBOL ( CO mmon B usiness O riented L anguage) was introduced remembering the business purpose application
Valid and Invalid Word - Cobol words: Valid Word Invalid Word & Reason emp-sal -pay ( it starts with a hyphen) TOTAL MARK (blank space em
B (Blank Insertion) : The occurrence of a B anyplace in the picture will insert a space character in the edited data. There can be more than one B in the picture. Examples:
MERGE VERB WITH OUTPUT PROCEDURE: Like the sort verb, the merge verb can also have an output procedure. The syntax of the MERGE verb is as shown below: The r
Edit Characters for Numeric Data: The characters below can be used in the PICTURE clause to indicate the editing. Z * $ - + CR DB . , B O /
Example of If- else statement Illustration: IF QUANTITY IS NUMERIC AND QUANTITY IS POSITIVE MOVE ZERO TO ERROR-CODE. COMPUTE SALES VALUE=QUANTITY*RATE
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
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