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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.
MOVE CORRESPONDING: It is frequently required to move some of the data items of one group to some other data items in the other group. If the names of the equivalent data item
Example of Move corresponding: Consider the DATA DIVISION entries shown below. Suppose it is needed that the data stored in the 4 fields of the PAY_REC should be
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
Examples - Edit characters for numeric data: The following illustration illustrates the use of Z editing characters. The character b is used to indicate the space character an
PERFORM STATEMENT: The PERFORM statement can be used to execute the group of consecutive statements written elsewhere in the program. We refer to this group of statements a
START STATEMENT: The START statement places the files to the initial logical record whose record key satisfies the condition specified by the KEY phrase. The access mode shoul
PROGRAM FOR ADD CORRESPONDING: We have to write a simple program to demonstrate Add Corresponding. identification division. program- id. environment division.
Evaluate is like a case statement & Evaluate stamenet can be used to replace nested Ifs. The difference b/w EVALUATE and case is that there is no 'break' is required for EVALUATE
MULTI-DIMENSIONAL TABLES: The type of table which has been considered above is known as one-dimensional table. Whenever a table is such that each of its elements in turn is a
Second form of Divide verb: The second form of this verb is as shown below: In this situation the identifier-1 or numeric- literal-1 will be divided by identifier-2 or
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