Answer / vamsi

In a general scenario, we cannot use two 01 level numbers in
the same structure.
We can use this when we want to redefines entire structure only.
Eg:
01 ws-input.
10 name pic x(40).
10 desig pic x(40).
01 ws-input-re redefines ws-input
10 name pic x(30).
10 department pic x(10).
10 designation pic x(20).
10 salary pic s9(13)v99.
10 filler pic x(13).

this way we can use.

Answer / sivakumar sekharannair

Two 01 level can be used for the same file, if the file is
a variable length file. Each 01 level identifies the
different layouts.

Answer / kavya

yes.

Answer / suresh

hI VAmsi we cant redifine in 01 level in file section.

Answer / janaki

Yes we can.. This means that teh second layout redefines
the first layout.

Answer / ramaswaminaidu g

Both vamsi and sivakumar are correct.we can use while
redefining o1 level and while using variable length records.

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