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If a table contains 100 records we have to fetch 50-100
records from source to target?how

Answer Posted / udit

If the question is like they want to load next half record then we write query in source qualifier 

select * from table 
minus
Select * from table
where rownum<=(select count(*)/2 from table)

this query will load the next half i.e. from 50 to 100 records

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