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OCCURS - INDEXED BY PROGRAM:
identification division.
program- id. searching.
environment division.
data division.
working-storage section.
01 table1.
02 data1 occurs 10 times indexed by a1.
03 name pic x(25).
03 sal pic 9(6).
01 n pic 9 value 0.
01 tot pic 9(2) value 0.
01 i pic 9 value 0.
procedure division.
p-1.
display(1 1) erase.
display(5 5) "Enter Data .....".
display(7 5) "Enter No.of Records : ".
accept n.
perform init-para varying i from 1 by 1 until i > n.
perform get-para varying i from 1 by 1
until i > n.
set a1 to 1.
p-2.
search data1 at end go to p-3
when sal (a1) > 1000
add 1 to tot.
set a1 up by 1
go to p-2.
p-3.
display(20 5) "Total Records > 1000 [sal] = " tot.
stop run.
get-para.
display(3 5) "Name : ".
accept name (i).
display(5 5) "Salary : ".
accept sal (i).
init-para.
move spaces to name(i).
move 0 to sal(i).
Block Size: The normal practice is to group a number of consecutive records to form that is termed as a block or a physical record. The number of records in a block is frequen
PROGRAM FOR SIZE ERROR: We have to write an easy program to elaborate the size error option. Identification division. Program- id. sizeerr. Environment division.
READ STATEMENT: The aim of this verb is to make available the next logical record from the input file. It is important to note the meaning of the "next" logical record in the
PERFORM WITH VARYING OPTION: The format is as shown below:
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 Perform with varying option: A) Perform para-3 varying the k from 1 by 1 until k > 10. Here para-3 will be constantly executed 10 times (For k=1,2,3, .....1
DELETE STATEMENT : The file should be opened in the I-O mode. If the access is SEQUENTIAL, the INVALID KEY phrase must be specified. Rather than, the last input-output state
FILE-CONTROL ENTRIES FOR THE SEQUENTIAL FILES: The characteristics of each and every files handled in a program are specified in the ENVIRONMENT DIVISION and DATA DIVISION.
program
File Description for the Relative and Indexed Files: The FD entry for a relative or an indexed file is similar to that of a sequential file. Some compilers do not permit varia
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