Why we need to use redefine clause when we can define the
variable seperately... what is actual need....
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Answer Posted / 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
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