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REWRITE statement:
The REWRITE statement is used to update the existing record in a disk file.
The normal format is as shown below:
REWRIE record-name [ FROM identifier ]
It may be keep in mind that the syntax is similar to that in the situation of a WRITE statement and the FROM option has similar meaning.
ON SIZE ERROR OPTION: Whenever a size error occurs, the contents of the result field after the operation is unpredictable. Though, the processing is not-terminated and the co
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)
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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 re
Example of Accept statement: For illustration, ACCEPT FLAG-A can be specified to read the value of the FLAG_A from the console. It may be keep in mind that no file definition
OPEN statement: We know that the processing of a file should start with the execution of an OPEN statement. The file can be opened in any one of the 4 open modes - INPUT, OUTP
simplify smple interest
Can we declare a redefine clause as below? A Redefines B, PIC X(4)
Picture Clause: The picture clause explains the general characteristics of an elementary data item. These characteristics are elaborated below: Class: In COBOL the
Illustration of Divide verb: (a) DIVIDE 5 INTO A. If the value of A is 20, then after execution of this statement the value of A will be 4. The older value of A will be los
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