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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 updation can be defined as shown below:
Write a COBOL IF sentence to use the values of numeric variables EXAM and COURSEWORK , both assumed to be with format PIC 999 and in the range 0 to 100 and to move the value:
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
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
Evaluate is like a case statement & Evaluate stamenet can be used to replace nested Ifs. The difference b/w EVALUATE and case is that there is no 'break' is required for EVALUATE
Valid and Invalid Word - Cobol words: Valid Word Invalid Word & Reason emp-sal -pay ( it starts with a hyphen) TOTAL MARK (blank space em
NEGATED SIMPLE CONDITION: Any of the easy condition explained can be preceded by the logical operator NOT. The consequence of placing the operator NOT before an easy condition
, (Comma) : A comma, whenever used in a picture, is considered as an insertion character and inserted wherever it become visible. There can be more than one comma in the pictu
what does it used
PROGRAM FOR INDEXED SEQUENTIAL FILE CREATION: We have to write a program to create an Indexed Sequential File in a dynamic mode for Student particulars. Suppose just 3 fields:
FILE-CONTROL ENTRIES FOR THE SEQUENTIAL FILES: The characteristics of each and every files handled in a program are specified in the ENVIRONMENT DIVISION and DATA DIVISION.
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