What Is The Difference Between Lookup (), Lookup_ext () And Lookup_se

1.	What Is The Difference Between Lookup (), Lookup_ext () And Lookup_seq ()?
Answer» LOOKUP() : Briefly, It RETURNS SINGLE value based on single CONDITION lookup_ext(): It returns MULTIPLE values based on single/multiple condition(s) lookup_seq(): It returns multiple values based on sequence number

What Is The Difference Between Lookup (), Lookup_ext () And Lookup_seq ()?

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