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Selection of file Organization:
While designing a file, the programmer should select an appropriate association for a file. The order in which the choice is to be made is as shown below:
(i) Implementation support difficulty.
(ii) Software support required.
(iii) Efficiency of processing.
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 identif
/ (Slash Insertion): The edit character slash (/) also termed as virgule or stroke, may appear anyplace in the picture. When used, it will be inserted. More than one slash can
SPECIAL-NAMES: This paragraph is used to associate some hardware names to the user-specified mnemonic names. This paragraph is elective in all compilers. The format of this pa
Example of compound condition: In common, a compound condition has the form which is as shown below: Where condition-1 & condition-2 can be any one of the below:
PROGRAM FOR ADD VERB: We have to write a simple program to elaborate the ADD verb. You can also use edit characters in the program. Identification division. Program- id.
PROGRAM TO DEMONSTRATE MERGE VERB: The two files for which a record having 2 fields viz. Account Number and Name are already available. Now Merge these two files and create a
PROGRAM FOR SCREEN SECTION WITH FILES: identification division. program- id. environment division. input-output section. file-control. select
Illustration of perform statement: PERFORM CALCUALTE-TAX. In this illustration, the CALCULATE-TAX is either a section name or paragraph name. Assume that it is a section
PROGRAM FOR MULTIPLY VERB: We have to write a simple program to elaborate MULTIPLY verb. You can also use the edit characters in the program. Identification division. Pr
BLOCK CONTAINS CLAUSE: Integer -1 of the BLOCK CONTAINS clause indicates the block size either in terms of records or in terms of characters. For illustration, BLOCK CONTAINS
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