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