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

Rules for occurs clause, RULES FOR OCCURS CLAUSE: The rules apply for ...

RULES FOR OCCURS CLAUSE: The rules apply for the OCCURS clause and the subscripts are as shown below. (1) The integer in the OCCURS clause should be a positive integer.

Example of read statement, Example of read statement: Illustration: ...

Example of read statement: Illustration: READ OLD-MASTER AT END MOVE ZERO TO END-OF-RECORDS. As a result of this statement, generally the next record from the OLD-MAST

Block contains and records contains clause, BLOCK CONTAINS CLAUSE: Int...

BLOCK CONTAINS CLAUSE: Integer -1 of the BLOCK CONTAINS clause indicates the block size either in terms of records or in terms of characters. For illustration, BLOCK CONTAINS

File-control paragraph for the relative files, FILE-CONTROL paragraph for t...

FILE-CONTROL paragraph for the relative files: The normal format for the SELECT clause for a relative file is as shown below. SELECT  file-name  ASSIGN  TO  implementor-nam

Blank when zero - edit characters for numeric data, BLANK WHEN ZERO: ...

BLANK WHEN ZERO: BLANK WHEN ZERO is an editing clause that may be used along with a picture. This will set the whole data item to blanks of its value is equal to zero. Though,

Program to demonstrate sort verb, PROGRAM TO DEMONSTRATE SORT VERB: Th...

PROGRAM TO DEMONSTRATE SORT VERB: The file for which a record having 2 fields, viz., Account Number and Name is already available. Sort the file based on the ascending order o

Open statement - sequential files, OPEN statement: We know that the pr...

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

Accept statement, ACCEPT STATEMENT: The ACCEPT statement is used to re...

ACCEPT STATEMENT: The ACCEPT statement is used to read the low-volume data from the operator's console, several other hardware device or from the operating system. The common

Read statements - relative files, READ STATEMENTS: The common format f...

READ STATEMENTS: The common format for the read statements is as shown bellow. Format 1: READ file-name RECORD [ INTO   identifier ] [  ;  AT   END     imperative-s

ACCEPT VERB, When using the accept verb in cobol is it possible to assign s...

When using the accept verb in cobol is it possible to assign something other then "SYSIN" for a ddname?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd