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Why we need to use redefine clause when we can define the
variable seperately... what is actual need....
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Answer / nag(igate)
whenever declaring the file structure , the same storage
for the different records are redefined without againg
defining the same records, we used the redefined clause
| Is This Answer Correct ? | 5 Yes | 0 No |
Answer / kannan
The main use of redefines to reduce the memory allocation
for the temporary variables that is declared in WS section.
if two variables are declared in a program and if there is a
situation that the program wil use only one among that two
variables during execution depending on a condition then
redefines can be used. so that both the variable use the
same memory space and it reduces the unnecessary memory
allocation
| Is This Answer Correct ? | 5 Yes | 0 No |
One more advantage of redefines is that we can use the same
value with different declarations.
For Example
lets say we receive input value as 'b123'. b is blank
and we want to display it as 01.23 in the spool. This can
be done with redefines as follows.
WORKING-STORAGE section
01 LEARNING
05 WS-RECIEVE-VAL PIC X(4).
05 WS-RECIEVE-RED REDEFINES WS-RECIEVE-VAL PIC 9(2)V
(2).
01 WS-FOR-DISPLAY PIC 9(2).9(2).
PROCEDURE DIVISION.
MOVE 'b123' TO WS-RECIEVE-VAL
MOVE WS-RECIEVE-RED TO WS-FOR-DISPLAY
DISPLAY WS-FOR-DISPLAY
STOP RUN.
| Is This Answer Correct ? | 4 Yes | 0 No |
Answer / ashok
yes when ever we face two type of records in the file in
that we use this redefines i will expline that best example
o1 salse-record
05 salse-re
o2 qua pic x(04).
o2 unit-pric pic x(08).
05 amount redefine salse-re pic x(12).
in this eaither we get qandity and price or amount
nobothar about it .
| Is This Answer Correct ? | 2 Yes | 0 No |
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How many times the loop runs here 01 a pic 9(2) value 1. perform para1 until a=10 move 1 to a. stop run. para1: move 10 to a.
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COBOL 
