Rules of read statements, COBOL Programming

Assignment Help:

Rules of read statements:

The next record is identified according to the rules as shown below:

(i) Whenever the READ NEXT statement is the initial statement to be executed after the open statement on the file, the next record is the initial record of the file.

(ii) Whenever the execution of the READ NEXT statement follows the execution of the other READ statement on similar file (format 2 or format 3), the next record is the record following the one previously read.             

(iii) Whenever the execution of the READ NEXT statement follows the execution of the start statement.

 

 


Related Discussions:- Rules of read statements

Comparison of numeric operands - relational condition , Comparison of Numer...

Comparison of Numeric Operands: We are well-known with the kind of the relational condition where both the operands are numeric. The comparison in this situation is algebraic

Buffers - file characteristics, Buffers: The Modern computers are able...

Buffers: The Modern computers are able of handling I-O operations independent of the CPU by means of the hardware termed as data channel. For illustration, if two buffers a

Example of move corresponding, Example of Move corresponding: Consider...

Example of Move corresponding: Consider the DATA DIVISION entries shown below. Suppose it is needed that the data stored in the 4 fields of the PAY_REC should be

Sequential file creation and rewriting, SEQUENTIAL FILE CREATION AND REWRIT...

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

Sequential files with the variable-length records, SEQUENTIAL FILES WITH TH...

SEQUENTIAL FILES WITH THE VARIABLE-LENGTH RECORDS: The Magnetic - tape or disk files can hold variable-length records. In this situation the file can have records with various

Sign condition - cobol programming, SIGN CONDITION:   The sign condit...

SIGN CONDITION:   The sign condition establishes whether or not the algebraic value of an operand is negative, positive or zero. The operand can be either the numeric identif

Rules for simple sort verb, Rules for Simple sort verb: The work file ...

Rules for Simple sort verb: The work file is to be defined by a sort elaboration entry (SD entry).The format of SD entry is as shown below. The rules below should be taken

Program of occurs clause, OCCURS CLAUSE - PROGRAM: We have to write a ...

OCCURS CLAUSE - PROGRAM: We have to write a program to elaborate occurs clause. Get names and marks of the students and show them on the screen.   identification division.

Program for move corresponding, PROGRAM FOR MOVE CORRESPONDING: We hav...

PROGRAM FOR MOVE CORRESPONDING: We have to write a simple program to demonstrate Move Corresponding. identification division.   program- id.   environment division.

Credit and debit sign - edit characters for numeric data, CR and DB (Credit...

CR and DB (Credit and Debit Sign): The two characters that is CR or DB symbol may appear only at the rightmost place of the picture. They are similar to the minus sign edit ch

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