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FILE UPDATION: The method of modifying an old file with present information is termed as file updating. Master file: A master file is a file which is used as an author
MULTI-DIMENSIONAL TABLES: The type of table which has been considered above is known as one-dimensional table. Whenever a table is such that each of its elements in turn is a
Direct Organization: Besides the relative or indexed organization, also a direct access file can be designed to have what is termed as direct organization. In this organizati
SEQUENTIAL FILE CREATION AND REWRITING: We have to write a program to create a student file with just two fields: sno i.e. Student Number and same i.e. Student Name. Add a few
REDEFINES CLAUSE: At times it may be found that two or more storage regions defined in the DATA DIVISION are not in use concurrently. In such situations only one storage regio
Name the divisions in a COBOL program are given below DENTIFICATION DIVISION DATA DIVISION ENVIRONMENT DIVISION PROCEDURE DIVISION.
CLOSE STATEMENT: When the processing of a file is completed, then the file may be closed. This is completed with the help of the CLOSE-verb. The form of the CLOSE statement is
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
Example of Open statement: Illustration: The OPEN INPUT TRANSACTION, OLD-MASTER OUTPUT NEW-MASTER. The illustration represents that there are two input files named the
Comparison of the Numeric Operand with Nonnumeric Operand: The numeric operand can be compared to the nonnumeric operand subject to the restrictions which are as follows.
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