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INDEXED SEQUENTIAL FILES:
In the indexed sequential files which are also known as indexed files, the records are stored in the sequence order generally in ascending order. In addition, some of the index tables are also created and maintained with the file.
An indexed file on COBOL can be accessed either sequential or randomly. Though, while creating an indexed file the records can be written only sequentially and in the ascending order of the key. Whenever an indexed file is accessed randomly, the series in which the records are accessed is controlled by the programmer by specifying the value of the data item known as record key.
The Indexed files in a COBOL program can be handled through appropriate special codes in the FILE-CONTROL paragraph and in the PROCEDURE DIVISION.
READ STATEMENT: The aim of this verb is to make available the next logical record from the input file. It is important to note the meaning of the "next" logical record in the
Identification Division: The Identification Division is the first division of each and every COBOL source program. The paragraph PROGRAM-ID is necessary in most of the mac
I need help with a COBOL programming assingment. I have started the program but I need help completing the program. I have 5 errors. Here is the question. 10. Suppose your company
ARITHMETIC VERBS: Most of the problems need some computations to be performed on the input or intermediate data that are numeric in nature. The Arithmetic verbs are used to pe
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
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
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
LEVEL NUMBERS: The COBOL makes use of the level number concept to explain the hierarchical data structure. A level number is a 2 digit number. The permitted level numbers a
can we move spaces to numeric field
Column and Field in COBOL program: In COBOL there are 2 types of entries termed as margin A and margin B entries. The Margin A entries start from the column 8, 9, 10 or 11 and
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