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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 relative files. In addition, two other words, namely, the DELETE and START are also available. As observes the OPEN and CLOSE statements, there is no distinction between relative file and sequential disk file.
WRITE STATEMENT: The records are written to be logical place as determined from the value of the record key. The INVALID KEY condition occurs in the cases shown below: (i)
Second form of Divide verb: The second form of this verb is as shown below: In this situation the identifier-1 or numeric- literal-1 will be divided by identifier-2 or
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
SUBTRACT VERB: The SUBTRACT verb is used to subtract one, or the sum of two or more numbers from one or more numbers and to store the result. The form of the SUBTRACT verb
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cobol program for generate a eb bill
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
PROGRAM FOR MASTER FILE MAINTENANCE: We have to write a program to keep the stu-file for which a record has just 2 fields,viz., rno(Roll Number) and name(Student Name). Give t
Program for Sequential File Creation & Rewriting We have to write a program to create a Length file with just two fields: l (Length) and l-c (Length-Code). Add a few records.
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