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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).
PROGRAM FOR PERFORM ...UNTIL We have to write a program to find the sum of "n" natural numbers. Identification division. Program- id. PerfUntil. Environment division.
STATEMENTS FOR SEQUENTIAL FILES: A basic operation on a file includes the reading and writing of its records. Whenever the file is sequential, there are three verbs for the
RELATIONAL CONDITION: We know that a relational condition specifies a comparison between two operands and has the form. Operand-1 relational-operator operand-2
Figurative Constants: The Figurative constants have several fixed names and the compiler recognizes these names and it sets up the equivalent values in the object program.
ADD VERB: The ADD Verb can be used to find the sum of two or more numbers and to store the sum. The ADD verb takes any one of the two forms as shown below:
Example of Level numbers - cobol programming: To explain the hierarchical structure introduced above, the concept of the level number is employed in COBOL. The most broad
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:
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,
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
, (Comma) : A comma, whenever used in a picture, is considered as an insertion character and inserted wherever it become visible. There can be more than one comma in the pictu
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