Difference between index and subscript, COBOL Programming

Assignment Help:

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. An index can only be modified using PERFORM and SEARCH and SET.

Related Discussions:- Difference between index and subscript

Program for simple perform, PROGRAM FOR SIMPLE PERFORM: We have to wri...

PROGRAM FOR SIMPLE PERFORM: We have to write a program to elaborate simple PERFORM statement Identification division. Program- id. Perf1. Environment division. Da

Declarative and file status clause, DECLARATIVE and FILE STATUS Clause: ...

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

Example of redefines clause, Example of Redefines clause: This illustr...

Example of Redefines clause: This illustration describes a sales record that may either contain the total amount of sale or the quantity (QTY) and UNIT-PRICE. The aim of such

Program for perform - varying, PROGRAM FOR PERFORM - VARYING: We have ...

PROGRAM FOR PERFORM - VARYING: We have to write a program to elaborate PERFORM ...VARYING Identification division. Program- id. PerfVary. Environment division. Dat

Rounded option, ROUNDED OPTION: Let us consider the DATA DIVISION entr...

ROUNDED OPTION: Let us consider the DATA DIVISION entries which are as shown below: Now, subsequent to the execution of the statement ADD A B GIVING C, the C will hold

Data record clause - and code-set clause, DATA RECORD CLAUSE: The DATA...

DATA RECORD CLAUSE: The DATA RECORD clause, documents the record names defined for the file. For illustration, DATA RECORDS ARE REC-1, REC-2, REC-3 that means there are 3diffe

Delete statement, DELETE STATEMENT: The format of the delete statement...

DELETE STATEMENT: The format of the delete statement is as shown below: DELETE file-name RECORD [ ; INVALID KEY imperative-statement ] Whenever the ACCESS MOD

File description- fixed-length records, FILE DESCRIPTION- FIXED-LENGTH RECO...

FILE DESCRIPTION- FIXED-LENGTH RECORDS: The normal characteristics of a file are explained in the file description (FD) entry of the DATA DIVISION.

Reserve clause and organization/access clause, RESERVE clause: This cl...

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

Redefines clause , REDEFINES CLAUSE: At times it may be found that two...

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

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages