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Selection of file Organization:
While designing a file, the programmer should select an appropriate association for a file. The order in which the choice is to be made is as shown below:
(i) Implementation support difficulty.
(ii) Software support required.
(iii) Efficiency of processing.
TO WRITE A QUADRATIC EQN ROOTS ARE COMPLEX IN COBOL PROGRAM
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
OCCURS - INDEXED BY PROGRAM: identification division. program- id. searching. environment division. data division. working-storage section. 01 table1. 0
Display control verbs in Cobol
Label Records / Disk Directory: The most important information stored in the header label is what is termed as the file title. In the situation of magnetic-disk files the labe
What is the difference b/w index and subscript? Subscript indicates to the array occurrence whereas index is the displacement (in no of bytes) from the beginning of the array.
PROCEDURE DIVISION statements for the indexed files: All the statements which are available for a relative file are also available for an indexed file. READ STTATEMENT :
DECLARATIVE and FILE STATUS Clause: The input-output exception condition in the situation of a direct access files can be handled by a declarative procedure in a manner simila
PROGRAM FOR ELECTRICITY BILL: An electricity company supplies electricity to 4 types of customers coded 1, 2, 3 & 4.The rate schedule for customers is shown in one table as
COBOL Words: The COBOL word can be formed by using the characters as shown below: 0-9 A-Z (a-z) - (hyphen) The rules below should be hold in forming the COBOL words.
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