IBM Natural Question:
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Explain difference between read(1) and read work file once?

Answer:

Read(1) file1 in physical sequence:
1. Used to raed adabas file.
2. here (1 ) represents the number of record to be read
its a processing loop eg

Read(1) file1 in physical sequence
--
---
---
end-read

read work file :
1. Used to read flate file.
2. Once option is used to read only one record
3. its not a processing loop

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