How to read data in Chunks ?

Hi Experts,
I am in a situation like I am reading data from DataBase. It returns around 600 records against one call. How can I handle it like read first 200 records first then other 200 and similarly last 200 records.
Any way or best technique ?
Thanks

Hi,
First Determine the Chunk Count with chunk size parameter.let say for ur case u have 600 records in a call then define chunk.size=200 so tat run 3 times .
if ur using jdev 10g then define chunk .size paramter in the deployment descriptor and write logic for the first chunk first row num=1 to last rownum=200 and in the second chunk first rornum=201 and last rownum=400 ,3rd chunk first rownum=401 to lst rownum =600.

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