In which situations we can use normal and sparse lookup
stages
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Answer Posted / nandini
Normal lookup:- U r having 90% data in primary like(source
table) and 10% data of Refference link(lookup table)in kind
of sutivation we can use normal lookup.and the normal
lookup data can stores in the temprovary memory.
Sparse lookup:-U r having 10% data in primary like(source
table) and 90% data of Refference link(lookup table)in kind
of sutivation we can use sparse lookup.and the sparse
lookup data can not stores in the temprovary memory because
it s having the huge data.
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