case study, COBOL Programming

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cobol program for generate a eb bill

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Example of if- else statement, Example of If- else statement Illustrat...

Example of If- else statement Illustration:   IF   QUANTITY IS NUMERIC AND QUANTITY IS POSITIVE          MOVE ZERO TO ERROR-CODE. COMPUTE SALES VALUE=QUANTITY*RATE

Simple merge verb, SIMPLE MERGE VERB: Like sorting, the merging of fil...

SIMPLE MERGE VERB: Like sorting, the merging of files is often required in different commercial application. It is likely to merge two or more files with the help of one MERGE

Close statement - sequential files, CLOSE statement: The simplified sy...

CLOSE statement: The simplified syntax of the CLOSE statement is as shown below:   CLOSE          file-name-1   [WITH   LOCK   ]                         [  , file-

Program for screen section with files, PROGRAM FOR SCREEN SECTION WITH FILE...

PROGRAM FOR SCREEN SECTION WITH FILES: identification division.   program- id.   environment division.          input-output section.   file-control.     select

Declarative and file status clause, DECLARATIVE and FILE STATUS Clause: ...

DECLARATIVE and FILE STATUS Clause: The input-output exception condition in the situation of a direct access files can be handled by a declarative procedure in a manner simila

Input-output section - cobol programming, INPUT-OUTPUT SECTION: This s...

INPUT-OUTPUT SECTION: This section holds information regarding the files to be used in the program. There are 2 paragraphs in this section- FILE-CONTROL & I-O-CONTROL. The

Illustration of perform statement, Illustration of perform statement: ...

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

Accept statement, ACCEPT STATEMENT: The ACCEPT statement is used to re...

ACCEPT STATEMENT: The ACCEPT statement is used to read the low-volume data from the operator's console, several other hardware device or from the operating system. The common

Updating of the relative and indexed files, UPDATING OF THE RELATIVE AND IN...

UPDATING OF THE RELATIVE AND INDEXED FILES: The Sequential files are updated by creating a new master file from an existing old master file and a transaction file. Such an Upda

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