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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).
NEGATED SIMPLE CONDITION: Any of the easy condition explained can be preceded by the logical operator NOT. The consequence of placing the operator NOT before an easy condition
Example of constructing an arithmetic expression: An arithmetic expression may be proceeded by a + or - sign. These operations are known as unary + or unary - operators. Il
Sign - Picture clause: The numeric data item can be signed or unsigned. If a numeric data is regarded as unsigned then during the execution these unsigned data items are treat
Literals: The actual values can too appear in a program. These values are termed as literals. For illustration, the statement MOVE 0 TO TOTAL indicates that the value zero wil
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
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
WRITE STATEMENT: The records are written to be logical place as determined from the value of the record key. The INVALID KEY condition occurs in the cases shown below: (i)
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
LEVEL NUMBERS: The COBOL makes use of the level number concept to explain the hierarchical data structure. A level number is a 2 digit number. The permitted level numbers a
B (Blank Insertion) : The occurrence of a B anyplace in the picture will insert a space character in the edited data. There can be more than one B in the picture. Examples:
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