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FD Entry for variable-length Records:
The RECORDS CONTAINS and BLOCK CONTAINS clause are quite dissimilar in the case of files with variable- length records. The syntax of these two clauses is as shown below:
RESERVE clause: This clause indicates the number of buffers to be used for the file. Integer-1 specifies this number. ORGANIZATION/ACCESS clause: These two clause
DELETE STATEMENT: The format of the delete statement is as shown below: DELETE file-name RECORD [ ; INVALID KEY imperative-statement ] Whenever the ACCESS MOD
Data types available in COBOL are given below Alpha-numeric (X), numeric (9), alphabetic (A)
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
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
OPEN STATEMENT: Whenever a READ or a WRITE operation is executed on a file, then it should be open. The opening of a file may be completed with the help of the OPEN verb. With
PROGRAM FOR IF -ELSE: We have to write a program to check whether the given number is ODD or EVEN. You can use IF..ELSE. Identification division. Program- id. IfElse.
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
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
MOVE CORRESPONDING: It is frequently required to move some of the data items of one group to some other data items in the other group. If the names of the equivalent data item
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