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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.
File Description for the Relative and Indexed Files: The FD entry for a relative or an indexed file is similar to that of a sequential file. Some compilers do not permit varia
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 updatio
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.
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
GO TO, STOP RUN: The GO TO verb is used to completely transfer the control to elsewhere in the program. Its form is as shown below: GO TO procedure-name As a result o
Format for COBOL Programs: The COBOL is a high-level language. Therefore, a COBOL program can be executed on a computer for which a COBOL compiler exists. The compiler transla
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
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:
Group Item as Operand in the Relational Condition: Whenever an operand of a relational condition is the group item, the item is then considered to be an alphanumeric field. Th
Can we declare a redefine clause as below? A Redefines B, PIC X(4)
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