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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- id.
environment division.
data division.
working-storage section.
01 n pic 9(2) value 0.
01 i pic 9(2) value 1.
01 stu-det.
02 stu-rec occurs 10 times.
03 name pic x(20).
03 mark pic 9(3).
01 key- in pic x value space.
procedure division.
p-1.
display(1 1) erase.
display(3 5) "Enter How many times".
accept n.
perform get-para n times.
move 1 to i.
perform disp-para n times.
stop run.
get-para.
accept name(i).
accept mark(i).
add 1 to i.
disp-para.
display name (i).
display mark (i).
accept key- in.
PROGRAM FOR SCREEN SECTION: identification division. program- id. environment division. data division. working-storage section. 01 a pic 9(2) value
SEARCH VERB: The SEARCH verb is used to position elements in one-dimensional tables. Let us consider the following problem. Assume that each element of a table consists of thr
Name the divisions in a COBOL program are given below DENTIFICATION DIVISION DATA DIVISION ENVIRONMENT DIVISION PROCEDURE DIVISION.
REWRITE STATEMENT: As in the situation of a relative file, the REWRITE statement needs that the file should be opened in the I-O mode, and if the SEQENTIAL access mode is spec
PROGRAM FOR PERFORM - THRU: We have to write a program to elaborate PERFORM ...THRU statement Identification division. Program- id. Perfthru. Environment division.
PROGRAM FOR RENAMES CLAUSE: identification division. program- id. environment division. data division. working-storage section. 01 emp. 02 empdet.
VALUE CLAUSE: The value clause defines the preliminary value of the data item. Normally initialization will be completed just before the first statement in the procedure di
Illustration of perform statement: PERFORM CALCUALTE-TAX. In this illustration, the CALCULATE-TAX is either a section name or paragraph name. Assume that it is a section
PROGRAM FOR CONDITION NAMES: We have to write a simple program to demonstrate Condition names usage. identification division. program- id. environment division.
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
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