Difference between sequential file and hashed file file stag

Question

What the difference between sequential file stage and hashed file stage is in relates to DataStage Server?

Answer 1

In a datastage server jobs, it can we use sequential file stage for a lookup in place of hashed filestage. Whenever yes ,then what’s the advantage of a Hashed File stage over sequential filestage search is earlier in hash files as you can directly determine the address of record directly by hash algorithm like records are stored as that but in case of sequential file u should compare all the records.