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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.
MERGE VERB WITH OUTPUT PROCEDURE: Like the sort verb, the merge verb can also have an output procedure. The syntax of the MERGE verb is as shown below: The r
TO WRITE A QUADRATIC EQN ROOTS ARE COMPLEX IN COBOL PROGRAM
ADD and SUBTRACT CORRESPONDING: The CORRESPONDING option can also used with the ADD and SUBTRACT verbs. The following are some of the formats of these verbs with the CORRESPON
FILLER CLAUSE: Consider the statements as shown below: 1) 01 f pic x(80) value all "-". This statement origins a line of 80 characters filled with "-"
PROGRAM FOR PERFORM - VARYING: We have to write a program to elaborate PERFORM ...VARYING Identification division. Program- id. PerfVary. Environment division. Dat
Data Division: The Data Division is a part of the COBOL program where every data item processed by the program is described. It is very important to note that unless a data
Illustration of Subtract verb: (a) SUBTRACT A FROM B. This illustration means that the value of A will be subtracted from the value of B and the subtracted result will be s
File Activity: The file activity is a measure of the proportion of records processed during an update run. Therefore we define the activity ration as shown below. Activi
Illustration of if- else statement: IF OK-BALANCE NEXT SENTENCE ELSE MOVE 2 BALANCE-CODE In this illustration, the OK-BALANCE is a condition name. No action is specific if
Illustration of the abbreviation: A few illustration of the abbreviation are given below: Illustration: The compound condition AMOUNT GREATER THAN 499 AND AMOUNT L
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